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t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 1 description the transcend 128mb ~ 8gb cfi is an industrial compactflash card with industrial flash memory assembled on a printed circuit board. placement features ? compactflash specification version 3.0 complaint ? rohs compliant products ? single power supply: 3.3v 5% or 5v 10% ? operating temperature: -40 o c to 85 o c ? storage temperature: -55 o c to 100 o c ? operation modes: pc card memory mode pc card io mode true ide mode ? true ide mode supports pio mode 0~4 (series of ?d support ultra dma mode 4, please see order information) ? endurance: 2,000,000 program/erase cycles ? mtbf: 1,000,000 hours ? durability of connector: 10,000 times ? high data reliability based on the internal 4-bits ecc (error correcting code) function dimensions ? support wear-leveling algorithm
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 2 order information part number interface transfer mode description true ide mode pio mode 0~4 non-dma fixed disk ts128m~8gcf45i pc card mode (pcmcia) 80ns, 100ns, 120ns, 250ns non-dma removable disk true ide mode ultra dma mode 0~4 multiword dma 0~4 pio mode 0~6 ultra-dma fixed disk cf45i ts128m~8gcf45i-d pc card mode (pcmcia) 80ns, 100ns, 120ns, 250ns non-dma removable disk c.h.s. table this table shows default number of cylinders, heads and sectors for the various models.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 3 transcend
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 4 block diagram
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 5 pin assignments and pin type
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 6 note: 1) these signals are required only for 16 bit accesses and not required when installed in 8 bit systems. devices should allow for 3- state signals not to consume current. 2) the signal should be grounded by the host. 3) the signal should be tied to vcc by the host. 4) the mode is optional for cf+ cards, but required for compactflash storage cards. 5) the -csel signal is ignored by the card in pc card modes. however, because it is not pulled upon the card in these modes, it should not be left floating by the host in pc card modes. in these modes, the pin should be c onnected by the host to pc card a25 or grounded by the host. 6) if dma operations are not used, the signal s hould be held high or tied to vcc by the host. for proper operation in older hosts: while dma operat ions are not active, the card shall ignore this signal,including a floating condition 7) signal usage in true ide mode except when ultra dma mode protocol is active. 8) signal usage in true ide mode when ultra dma mode protocol dma write is active. 9) signal usage in true ide mode when ultr a dma mode protocol dma read is active.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 7 signal description
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 8
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 9
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 10
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 11
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 12 electrical specification the following tables indicate all d.c. characteristics for the compactflash storage card. unless otherwise stated, conditions are: vcc = 5v 10% vcc = 3.3v 5% absolute maximum conditions input power input leakage current input characteristics
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 13 output drive type output drive characteristics
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 14 signal interface
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 15 notes: 1) control signals: each card shall pr esent a load to the socket no larger than 50 pf 10 at a dc current of 700 a low state and 150 a high state, including pull-resistor. the socket s hall be able to drive at least the following load 10 while meeting all ac timing requirement s: (the number of sockets wired in par allel) multiplied by (50 pf with dc current 700 a low state and 150 a high state per socket). 2) resistor is optional. 3) status signals: the socke t shall present a load to t he card no larger than 50 pf 10 at a dc current of 400 a low state and 100 a high state, including pull-up resistor. the card shall be able to drive at least the following load 10 while meeting all ac timing requirem ents: 50 pf at a dc current of 400 a low state and 100 a high state. 4) status signals: the socke t shall present a load to t he card no larger than 50 pf 10 at a dc current of 400 a low state and 100 a high state, including pull-up resistor. the card shall be able to drive at least the following load 10 while meeting all ac timing requirem ents: 50 pf at a dc current of 400 a low state and 100 a high state. 5) status signals: the socke t shall present a load to t he card no larger than 50 pf 10 at a dc current of 400 a low state and 100 a high state, including pull-up resistor. the card shall be able to drive at least the following load 10 while meeting all ac timing requirem ents: 50 pf at a dc current of 400 a low state and 1100 a high state. 6) bvd2 was not defined in the jeida 3.0 release. syst ems fully supporting jeida release 3 sram cards shall pull-up pin 45 (bvd2) to avoid sensing their batteries as ?low.? 7) address signals: each card shall present a load of no more than 100pf 10 at a dc current of 450 a low state and 150 a high state. the host shall be able to drive at least the following load 10 while meeting all ac timing requirements: (the number of socke ts wired in parallel) multiplied by (100pf with dc current 450 a low state and 150 a high state per socket). 8) data signals: the host and each card shall present a load no larger than 50pf 10 at a dc current of 450 a and 150 a high state. the host and each card shall be able to drive at least the following load 10 while meeting all ac timing requirements: 100pf with dc current 1.6ma low state and 300 a high state. this permits the host to wire two sockets in parallel without derating the card access speeds. 9) reset signal: this signal is pulled up to prevent the i nput from floating when a cfa to pcmcia adapter is used in a pcmcia revision 1 host. however, to minimize dc current drain through the pull-up resistor in normal operation the pull-up should be turned off once the reset signal has been actively driven low by the host. consequently, the input is specified as an i2z because the resistor is not necessarily detectable in the input current leakage test. 10) host and card restrictions for cf advanced timi ng modes and ultra dma modes: additional requirements for cf advanced timing modes and ultra dma electrical r equirements for additional r equired limitations on the implementation of cf advanced timing m odes and ultra dma modes respectively. additional requirements for cf advanced timing modes the cf advanced timing modes include pcmcia i/o and memory modes that are 100ns or faster and true ide pio modes 5,6 and multiword dma modes 3,4. when operating in cf advanced timing modes, the hos t shall conform to the following requirements: 1) only one cf device shall be attached to the cf bus. 2) the host shall not present a load of more than 40pf to the device for all signals, including any cabling. 3) the maximum cable length is 0.15 m (6 in). the cabl e length is measured from t he card connector to the host controller. 0.46 m (18 in) cables are not supported. 4) the -wait and iordy signals shall be ignored by the host. devices supporting cf advanced timing modes shall also support slower timing modes, to ensure oper ability with systems that do not support cf advanced timing modes
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 16 ultra dma electrical requirements host and card signal capacitance limits for ultra dma operation the host interface signal capacitance at the host connector shall be a maximum of 25 pf for each signal as measured at 1 mhz. the card interface signal capacitance at the card connector shall be a maximum of 20 pf for each signal as measured at 1 mhz. series termination required for ultra dma operation series termination resistors are required at both the host and the card for operation in any of the ultra dma modes. table 13 describes typical values for series termination at the host and the device. table: typical series termination for ultra dma
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 17 table: ultra dma termination with pull-up or pull down example printed circuit board (pcb) trace requirements for ultra dma on any pcb for a host or device supporting ultra dma: the longest d[15:00] trace shall be no more than 0.5" longer than either strobe trace as measured from the ic pin to the connector. the shortest d[15:00] trace shall be no more than 0.5" shorter than either strobe trace as measured from the ic pin to the connector. ultra dma mode cabling requirement operation in ultra dma mode requires a crosstalk suppressing cable. the cable shall have a grounded line between each signal line. for true ide mode operation using a cable with ide (ata) type 40 pin connectors it is recommended that the host sense the cable type using the method described in the ansi incits 361-2002 at attachment - 6 standard, to prevent use of ultra dma with a 40 conductor cable.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 18 attribute memory read timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 19 configuration register (attribute memory) write timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 20 common memory read timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 21 common memory write timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 22 i/o input (read) timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 23 t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 23
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 24 i/o output (write) timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 25 t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 25
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 26 true ide pio mode read/write timing specification
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 27
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 28 true ide ultra dma mode read/write timing specification table: ultra dma data burst timin g
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 29 notes: 1) all timing measurement switching points (l ow to high and high to low) shall be taken at 1.5 v. 2) all signal transitions for a timing parameter s hall be measured at the connector specified in the measurement location column. for example, in the case of trfs, both strobe and ?dmardy transitions are measured at the sender connector. 3) the parameter tcyc shall be measured at the recipient?s connector farthest from the sender. 4)the parameter tli shall be measured at the c onnector of the sender or recipient that is responding to an incoming transition from the recipi ent or sender respectively. both the incoming signal and the outgoing response shall be measured at the same connector. 5)the parameter taz shall be measured at the connecto r of the sender or reci pient that is driving the bus but must release the bus the allow for a bus turnaround.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 30
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 31 notes: 1) the parameters tui, tmli : (ultra dma da ta-in burst device termination timing and ultra dma data-in burst host termination timing), and tli i ndicate sender-to-recipient or recipient-to-sender interlocks, i.e., one agent (either sender or recipient) is waiting for the other agent to respond with a signal before proceeding. tui is an unlimited interlo ck that has no maximum time value. tmli is a limited time-out that has a defined minimum. tli is a limited time-out that has a defined maximum. 2) 80-conductor cabling shall be required in order to meet setup (tds, tcs) and hold (tdh, tch) times in modes greater than 2. 3) timing for tdvs, tdvh, tcvs and tcvh shall be met for lumped capacitive loads of 15 and 40 pf at the connector where the data and strobe signals have the same capacitive load value. due to reflections on the cable, these timing measurement s are not valid in a normally functioning system. 4)for all modes the parameter tziordy may be great er than tenv due to the fact that the host has a pull-up on iordy- giving it a known state when released. 5)the parameters tds, and tdh for mode 5 are defined for a recipient at the end of the cable only in a configuration with a single device located at the end of the cable. th is could result in the minimum values for tds and tdh for mode 5 at the middl e connector being 3.0 and 3.9 ns respectively. notes: 1) all timing measurement switching points(lo w to high and high to low) shall be taken at 1.5 v. 2) the correct data value shall be captured by the re cipient given input data wi th a slew rate of 0.4 v/ns rising and falling and the input strobe with a slew rate of 0.4 v/ns rising and falling at tdsic and tdhic timing (as measured through 1.5 v). 3) the parameters tdvsic and tdvhic shall be met for lumped capacitive loads of 15 and 40 pf at the ic where all signals have the same capacitive load value. noise that may couple onto the output signals from external sources has not been included in these values.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 32 note: 1) the sender shall be tested while driving an 18 inch long, 80 conductor cable with pvc insulation material. the signal under test shall be cut at a test poi nt so that it has not tr ace, cable or recipient loading after the test point. all other signals shoul d remain connected through to the recipient. the test point may be located at any point between t he sender?s series termination resistor and one half inch or less of conductor exiting the connector. if t he test point is on a cable conductor rather than the pcb, an adjacent ground conductor shall also be cu t within one half inch of the connector. the test load and test points should then be soldered directly to the exposed source side connectors. the test loads consist of a 15 pf or a 40 pf, 5%, 0. 08 inch by 0.05 inch surface mount or smaller size capacitor from the test point to ground. slew rates shall be met for both capacitor values. measurements shall be taken at the test point us ing a <1 pf, >100 kohm, 1 ghz or faster probe and a 500 mhz or faster oscilloscope. the average rate shall be measured from 20% to 80% of the settled voh level with data transitions at least 120 nsec apart. the settled voh level shall be measured as the average output high level under t he defined testing conditions from 100 nsec after 80% of a rising edge until 20% of the subsequent falling edge.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 33 card configuration the compactflash storage cards and cf+ cards are i dentified by appropriate information in the card information structure (cis). the follo wing configuration registers are used to coordinate the i/o spaces and the interrupt level of cards that are loca ted in the system. in addition, these registers provide a method for accessing status information about the compactf lash storage card or cf+ card that may be used to arbitrate between multiple interrupt sources on the same interrupt level or to replace status info rmation that appears on dedicated pins in memory cards that have alternate use in i/o cards. single function cf+ cards single function cf+ cards shall have a single confi guration tuple describing a single set of function configuration registers multiple function cf+ cards table: compactflash storage card configuration registers decoding table: compactflash storage card registers and memory space decoding
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 34 table: cf+ card configuration registers decoding table: cf+ card re g ister and memor y s p ace decodin g
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 35 attribute memory function attribute memory is a space where compactfla sh storage card and cf+ card identification and configuration information are stored, and is limited to 8 bit wide accesses only at even addresses. the card configuration registers are also lo cated here. for compactflash storage cards, the base address of the ard configuration registers is 200h. for cf+ cards, the base address of the card configuration registers is determined by the configurat ion tuple (cistpl_config). table 31: attribute memory function
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( transcend information inc. v1.1 36 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) configuration option register (b ase + 00h in attribute memory)
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 37 card configuration and status regist er (base + 02h in attribute memory)
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 38 pin replacement register (base + 04h in attribute memory)
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 39 socket and copy register (base + 06h in attribute memory)
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 40 i/o transfer function the i/o transfer to or from the compactflash storage or cf+ card can be either 8 or 16 bits. when a 16 bit accessible port is addressed, the signal -iois16 is asserted by the compactflash storage or cf+ card. otherwise, the -iois16 signal is de-a sserted. when a 16 bit transfer is a ttempted, and the -iois16 signal is not asserted by the compactflash storage or cf+ card, the system shall generate a pair of 8 bit references to access the word?s even byte and odd byte. the co mpactflash storage card permits both 8 and 16 bit accesses to all of its i/o addresses, so -iois16 is asserted for all addresses to which the compactflash storage responds. cf+ cards may or may not allow 16 bit register accesses and thus shall assert -iois16 as required. the compactflash storage and cf+ card ma y request the host to extend the length of an input cycle until data is ready by asserting the -wait signal at the start of the cycle. table : pcmcia mode i/o function
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 41 common memory transfer function the common memory transfer to or from the compactfla sh storage or cf+ card can be either 8 or 16 bits. table: common memory function
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 42 true ide mode i/o transfer function the compactflash storage card and cf+ card can be configured in a true ide mode of operation. the compactflash storage card is configured in this m ode only when the -oe input signal is grounded by the host during the power off to power on cycle. optionally, co mpactflash storage cards and cf+ cards may support the following optional detection methods: 1. the card is permitted to monitor the ?oe (-ata sel ) signal at any time(s) and switch to pcmcia mode upon detecting a high level on the pin. 2. the card is permitted to re-arbitrate the interface mode determination following a transition of the (-)reset pin. 3. the card is permitted to monitor the ?oe (-ata sel ) signal at any time(s) and switch to true ide mode upon detection of a continuous low level on pin for an extended period of time. table: true ide mode i/o function defines the function of the operations for the true ide mode.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 43 metaformat overview the goal of the metaformat is to describe the require ments and capabilities of the compactflash storage card and cf+ card as thoroughly as possible. this includes describing the power requirements, io requirements, memory requirements, manufacturer information and details about the services provided. table: sample device info tuple information for extended speeds note: the value ?1? defined for d3 of the n+0 words indica tes that no write-protect swit ch controls writing the at a registers. the value ?0? defined for d7 in the n+2 word s indicates that there is not more than a single speed extension byte.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 44 cf-ata drive register set definition and protocol the compactflash storage card can be confi gured as a high performance i/o device through: a) the standard pc-at disk i/o address spaces 1f 0h-1f7h, 3f6h-3f7h (primary) or 170h- 177h, 376h-377h (secondary) with irq 14 (or other available irq). b) any system decoded 16 byte i/o block using any available irq. c) memory space. the communication to or from the compactflash stor age card is done using the task file registers, which provide all the necessary registers fo r control and status information related to the storage medium. the pcmcia interface connects peripherals to the host using four r egister mapping methods. table 39 is a detailed description of these methods:
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 45 i/o primary and secondary address configurations table: primary and secondary i/o decoding
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 46 contiguous i/o mapped addressing when the system decodes a contiguous block of i/o registers to select the compactflash storage card, the registers are accessed in the block of i/o space decoded by the system as follows: table: contiguous i/o decoding
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 47 memory mapped addressing when the compactflash storage card registers are access ed via memory references, the registers appear in the common memory space window: 0-2k bytes as follows: true ide mode addressing when the compactflash storage card or cf+ card is c onfigured in the true ide mode, the i/o decoding is as follows:
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 48 cf-ata registers the following section describes the hardware registers used by the host software to issue commands to the compactflash device. these registers are often collectively referred to as the ?task file.? data register (address - 1f0h[170h];offset 0,8,9) the data register is a 16 bit register, and it is used to transfer data blocks between the compactflash storage card data buffer and the host. this register overlaps the error register. error register (address - 1f1h[171h]; offset 1, 0dh read only) this register contains additional info rmation about the source of an error when an error is indicated in bit 0 of the status register. this register is also accessed in pc card modes on data bits d15-d8 during a read operation to offset 0 with -ce2 low and -ce1 high. bit 7 (bbk/icrc): this bit is set when a bad block is detect ed. this bit is also set when an interface crc error is detected in true ide ultra dma modes of operation. bit 6 (unc) : this bit is set when an uncorrectable error is encountered. bit 5 : this bit is 0. bit 4 (idnf): the requested sector id is in error or cannot be found. bit 3 : this bit is 0. bit 2 (abort) this bit is set if the command has been abort ed because of a compactflash storage card status condition: (not ready, write fault, et c.) or when an invalid command has been issued. bit 1 this bit is 0. bit 0 (amnf) this bit is set in case of a general error.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 49 feature register (address - 1f1h[171h]; offset 1, 0dh write only) this register provides informati on regarding features of the compactf lash storage card that the host can utilize. this register is also accessed in pc card modes on data bits d15-d8 during a write operation to offset 0 with -ce2 low and -ce1 high. sector count register (address - 1f2h[172h]; offset 2) this register contains the number s of sectors of data requested to be transferred on a read or write operation between the host and the compactflash storage card . if the value in this register is zero, a count of 256 sectors is specified. if the command was successful, this register is zero at command completion. if not successfully completed, the regi ster contains the number of sectors that need to be transferred in order to complete the request. sector number (lba 7-0) register (address - 1f3h[173h]; offset 3) this register contains the starti ng sector number or bits 7-0 of t he logical block address (lba) for any compactflash storage card data access for the subsequent command. 6.1.5.5 cylinder low (lba 15-8) register (address - 1f4h[174h]; offset 4) this register contains the low order 8 bits of the starting cylinder address or bits 15-8 of the logical block address. cylinder high (lba 23-16) register (address - 1f5h[175h]; offset 5) this register contains the high order bits of the starting cylinder address or bits 23-16 of the logical block address. drive/head (lba 27-24) register (address 1f6h[176h]; offset 6) the drive/head register is used to select the dr ive and head. it is also used to select lba addressing instead of cylinder/head/ sector addressing. bit 7: this bit is specified as 1 for backward com patibility reasons. it is intended that this bit will become obsolete in a future revision of the specification. this bit is ignored by some controllers in some commands. bit 6: lba is a flag to select either cylinder/h ead/sector (chs) or logical block address mode (lba). when lba=0, cylinder/head/sector mode is sele cted. when lba=1, logical block address is selected. in logical block mode, the logical block address is interpreted as follows: lba7-lba0: sector number register d7-d0. lba15-lba8: cylinder low register d7-d0. lba23-lba16: cylinder high register d7-d0. lba27-lba24: drive/head r egister bits hs3-hs0. bit 5: this bit is specified as 1 for backward com patibility reasons. it is intended that this bit will become obsolete in a future revisions of the specification. this bit is ignored by some controllers in some commands. bit 4 (drv): drv is the drive number. when drv=0, driv e (card) 0 is selected. when drv=1, drive (card) 1 is selected. setting this bit to 1 is obsolet e in pcmcia modes of operation. if the obsolete functionality is support by a cf storage card, the com pactflash storage card is set to be card 0 or 1 using the copy field (drive #) of the pcmcia socket & copy configuration register.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 50 bit 3 (hs3): when operating in the cylinder, head, sect or mode, this is bit 3 of the head number. it is bit 27 in the logical block address mode. bit 2 (hs2): when operating in the cylinder, head, sect or mode, this is bit 2 of the head number. it is bit 26 in the logical block address mode. bit 1 (hs1): when operating in the cylinder, head, sect or mode, this is bit 1 of the head number. it is bit 25 in the logical block address mode. bit 0 (hs0): when operating in the cylinder, head, sect or mode, this is bit 0 of the head number. it is bit 24 in the logical block address mode. status & alternate status registers (address 1f7h[177h]&3f6h[376h]; offsets 7 & eh) these registers return the compactflash st orage card status when read by the host. reading the status register does clear a pending interrupt while reading the auxiliary status register does not. the status bits are described as follows: bit 7 (busy): the busy bit is set when the compactf lash storage card has access to the command buffer and registers and the host is locked out from accessi ng the command register and buffer. no other bits in this register are valid when this bit is set to a 1. during the data transfer of dma commands, the card shall not assert dmarq unless either t he busy bit, the drq bit, or both are set to one. bit 6 (rdy): rdy indicates whether the device is capable of performing compactflash storage card operations. this bit is cleared at power up and re mains cleared until the compactflash storage card is ready to accept a command. bit 5 (dwf): this bit, if set, indicates a write fault has occurred. bit 4 (dsc): this bit is set when t he compactflash storage card is ready. bit 3 (drq): the data request is set when the com pactflash storage card requires that information be transferred either to or from the host through the data register. during the data transfer of dma commands, the card shall not assert dmarq unless either the busy bit, the drq bit, or both are set to one. bit 2 (corr): this bit is set when a correctable data error has been encountered and the data has been corrected. this condition does not terminate a multi-sector read operation. bit 1 (idx): this bit is always set to 0. bit 0 (err): this bit is set when the previous comm and has ended in some type of error. the bits in the error register contain additional information describ ing the error. it is recommended that media access commands (such as read sectors and write sectors) that end with an error condition should have the address of the first sector in erro r in the command block registers.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 51 device control register (address - 3f6h[376h]; offset eh) this register is used to control the compactflash storage card interrupt request and to issue an ata soft reset to the card. this register can be written even if the device is busy. the bi ts are defined as follows: bit 7: this bit is ignored by the compactflash stor age card. the host software should set this bit to 0. bit 6: this bit is ignored by the compactflash stor age card. the host software should set this bit to 0. bit 5: this bit is ignored by the compactflash stor age card. the host software should set this bit to 0. bit 4: this bit is ignored by the compactflash stor age card. the host software should set this bit to 0. bit 3: this bit is ignored by the compactflash stor age card. the host software should set this bit to 0. bit 2 (sw rst): this bit is set to 1 in order to force the compactflash storage card to perform an at disk controller soft reset operation. this does not change the pcmcia card configuration registers as a hardware reset does. the card remains in reset until this bit is reset to ?0.? bit 1 (-ien): the interrupt enable bit enables interrupts w hen the bit is 0. when the bit is 1, interrupts from the compactflash storage card are disabled. this bit also controls the int bit in the configuration and status register. this bit is set to 0 at power on and reset. bit 0: this bit is ignored by the compactflash storage card.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 52 card (drive) address register (address 3f7h[377h]; offset fh) this register is provided for compatibility with the at disk drive interface. it is recommended that this register not be mapped into the host?s i/o space because of potential conflicts on bit 7. bit 7: this bit is unknown. implementation note: conflicts may occur on the host data bus when this bit is provided by a floppy disk controller operating at the same addresses as the compactflash storage card. following are some possible solutions to this problem for the pcmcia implementation: 1) locate the compactflash storage card at a non-conflicting address, i.e. secondary address (377) or in an independently decoded address space when a floppy disk controller is located at the primary addresses. 2) do not install a floppy and a compactflash st orage card in the system at the same time. 3) implement a socket adapter that can be programmed to (conditionally) tri-state d7 of i/0 address 3f7h/377h when a compactflash storage card is inst alled and conversely to tristate d6-d0 of i/o address 3f7h/377h when a floppy controller is installed. 4) do not use the compactflash storage card?s drive address register. this may be accomplished by either a) if possible, program the host adapter to enable only i/o addresses 1f0h-1f7h, 3f6h (or 170h-177h, 176h) to the compactflash storage card or b) if provided use an additional primary / secondary configuration in the compac tflash storage card which does not respond to accesses to i/o locations 3f7h and 377h. with either of these implementations, the host software shall not attempt to use inform ation in the drive address register. bit 6 (-wtg): this bit is 0 when a write operati on is in progress; otherwise, it is 1. bit 5 (-hs3): this bit is the negation of bit 3 in the drive/head register. bit 4 (-hs2): this bit is the negation of bit 2 in the drive/head register. bit 3 (-hs1): this bit is the negation of bit 1 in the drive/head register. bit 2 (-hs0): this bit is the negation of bit 0 in the drive/head register. bit 1 (-nds1): this bit is 0 when drive 1 is active and selected. bit 0 (-nds0): this bit is 0 when t he drive 0 is active and selected.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 53 cf-ata command set cf-ata command set summarizes the cf-ata command se t with the paragraphs that follow describing the individual commands and the task file for each.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 54 definitions: fr = features register sc = sector count registers sn = sector number register cy = cylinder registers dh = card/drive/head register lba = logical block address mode supported (see command descriptions for use). y - the register contains a valid parameter for this command. for the drive/head register y means both the compactflash storage card and head parameters are used; d - only the compactflash storage card parameter is valid and not the head parameter; c ? the register contains command specific data (s ee command descriptions for use). check power mode - 98h or e5h if the compactflash storage card is in, going to, or re covering from the sleep mode, the compactflash storage card sets bsy, sets the sector count regi ster to 00h, clears bsy and generates an interrupt. if the compactflash storage card is in idle mode, the compactflash storage card sets bsy, sets the sector count register to ffh, clears bsy and generates an interrupt.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 55 execute drive diagnostic - 90h when the diagnostic command is issued in a pcmcia c onfiguration mode, this command runs only on the compactflash storage card that is addressed by the drive/head register. this is because pcmcia card interface does not allows for direct inter-drive co mmunication (such as the ata pdiag and dasp signals). when the diagnostic command is issued in the true ide mode, the drive bit is ignored and the diagnostic command is executed by both the master and t he slave with the master respondi ng with status for both devices. diagnostic codes are returned in the erro r register at the end of the command. erase sector(s) - c0h this command is used to pre-erase and condition data sect ors in advance of a write without erase or write multiple without erase command. there is no data transfe r associated with this command but a write fault error status can occur.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 56 flush cache ? e7h this command causes the card to complete writing data fr om its cache. the card re turns status with rdy=1 and dsc=1 after the data in the write cache buffer is written to the media. if the compact flash storage card does not support the flush cache command, the compact flash storage card shall return command aborted. format track - 50h this command writes the desired head and cylinder of t he selected drive with a vendor unique data pattern (typically ffh or 00h). to remain host backward compat ible, the compactflash storage card expects a sector buffer of data from the host to follow the command with the same protocol as the write sector(s) command although the information in the buffer is not used by t he compactflash storage card. if lba=1 then the number of sectors to format is taken from the sec cnt register (0=256). the use of this command is not recommended.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 57 identify device ? ech the identify device command enables the host to receiv e parameter information from the compactflash storage card. this command has the same protocol as the read sector(s) command. the parameter words in the buffer have the arrangement and meanings defined in table as below. all reserved bits or words are zero. hosts should not depend on obsolete wo rds in identify device containing 0. table 47 specifies each field in the data retu rned by the identify device command. in table as below, x indicates a numeric nibble value specific to the card and aaaa indica tes an ascii string specific to the particular drive.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 58
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 59 word 0: general configuration this field indicates the general charac teristics of the device. when word 0 of the identify drive information is 848ah then the device is a compactflash storage card and complies with the cfa specification and cfa command set. it is recommended that pcmcia m odes of operation report only the 848ah value as they are always intended as removable devices. bits 15-0: cf standard configuration value word 0 is 848ah. this is the recommended value of word 0. some operating systems require bit 6 of word 0 to be set to 1 (non-removable device) to use the card as the root storage device. the card must be the root storage device when a host completely replaces conventional disk storage with a compactflash card in true ide mode. to support this requirement and provide capability for any future removable media cards, alternatehandling of word 0 is permitted. bits 15-0: cf preferred alte rnate configuration values 044ah: this is the alternate value of word 0 turns on ata device and turns off removable media and removable device while preserving all retired bits in the word. 0040h: this is the alternate value of word 0 tu rns on ata device and turns off removable media and removable device while zeroing all retired bits in the word bit 15-12: configuration flag if bits 15:12 are set to 8h then word 0 shall be 848ah. if bits 15:12 are set to 0h then bits 11:0 are set usi ng the definitions below and the card is required to support for the cfa command set and report that in bit 2 of word 83. bit 15:12 values other than 8h and 0h are prohibited. bits 11-8: retired these bits have retired ata bit definitions. it is re commended that the value of these bits be either the preferred value of 0h or the value of 4h that preserves the corresponding bits from the 848ah cf signature value. bit 7: removable media device if bit 7 is set to 1, the card contains m edia that can be removed during card operation. if bit 7 is set to 0, the card contains nonremovable media. bit 6: not removable controller and/or device alert! this bit will be considered for obsolescence in a future revision of this standard. if bit 6 is set to 1, the card is intended to be nonremovable during operation. if bit 6 is set to 0, the card is intended to be removable during operation. bits 5-0: retired/reserved alert! bit 2 will be considered for definition in a future revision of this standard and shall be 0 at this time. bits 5-1 have retired ata bit definitions. bit 2 shall be 0. bit 0 is reserved and shall be 0. it is recommended that the value of bits 5-0 be either the preferred value of 00h or the value of 0ah that preserves the corresponding bits from the 848ah cf signature value.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 60 word 1: default number of cylinders this field contains the number of translated cylinders in the default trans lation mode. this value will be the same as the number of cylinders. word 3: default number of heads this field contains the number of trans lated heads in the default translation mode. word 6: default number of sectors per track this field contains the number of sector s per track in the default translation mode. words 7-8: number of sectors per card this field contains the number of sectors per compactflash storage card. this double word value is also the first invalid address in lba translation mode. words 10-19: serial number this field contains the serial number for this co mpactflash storage card and is right justified and padded with spaces (20h). word 22: ecc count this field defines the number of ecc bytes us ed on each sector in the read and write long commands. this value shall be set to 0004h. words 23-26: firmware revision this field contains the revision of the firmware for this product. words 27-46: model number this field contains the model number for this pr oduct and is left justified and padded with spaces (20h). word 47: read/write multiple sector count bits 15-8 shall be the recommended value of 80h or the per mitted value of 00h. bits 7-0 of this word define the maximum number of sectors per block that the compactflash storage card supports for read/write multiple commands. word 49: capabilities bit 13: standby timer if bit 13 is set to 1 then the standby timer is supported as defined by the idle command if bit 13 is set to 0 then the standby ti mer operation is defined by the vendor. bit 11: iordy supported if bit 11 is set to 1 then this compactfla sh storage card supports iordy operation. if bit 11 is set to 0 then this compactfla sh storage card may support iordy operation. bit 10: iordy may be disabled bit 10 shall be set to 0, indicating that iordy may not be disabled. bit 9: lba supported bit 9 shall be set to 1, indicating that this co mpactflash storage card supports lba mode addressing. cf devices shall support lba addressing. bit 8: dma supported if bit 8 is set to 1 then r ead dma and write dma commands are supported. bit 8 shall be set to 0. read/write dma commands are not currently permitted on cf cards. pio data transfer cycle timing mode the pio transfer timing for each compactflash storage card falls into modes that have unique parametric timing specifications. the value returned in bits 15-8 shall be 00h for mode 0, 01h for mode 1, or 02h for mode 2. values 03h through ffh are reserved.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 61 translation parameters valid bit 0 shall be set to 1 indicating that words 54 to 58 are valid and reflect the current number of cylinders, heads and sectors. if bit 1 of word 53 is set to 1, the values in words 64 through 70 are valid. if this bit is cleared to 0, the values reported in words 64-70 ar e not valid. any compactflash storage card that supports pio mode 3 or above shall set bit 1 of word 53 to one and support the fields contained in words 64 through 70. current number of cylinders, heads, sectors/track these fields contains the current number of user addressable cylinders, heads, and sectors/track in the current translation mode. current capacity this field contains the product of the cu rrent cylinders times heads times sectors. multiple sector setting bits 15-9 are reserved and shall be set to 0. bit 8 shall be set to 1 indicating that the multiple sector setting is valid. bits 7-0 are the current setting for the number of sectors that shall be transferred per interrupt on read/write multiple commands. total sectors addressable in lba mode this field contains the total number of user addre ssable sectors for the compactflash storage card in lba mode only. multiword dma transfer bits 15 through 8 of word 63 of the identify device par ameter information is defined as the multiword dma mode selected field. if this field is supported, bit 1 of word 53 shall be set to one. this field is bit significant. only one of bits may be set to one in this field by the compactflash storage card to indicate the multiword dma mode which is currently selected. of t hese bits, bits 15 through 11 are reserved. bit 8, if set to one, indicates that multiword dma mode 0 has been selected. bit 9, if set to one, indicates that multiword dma mode 1 has been selected. bit 10, if se t to one, indicates that multiword dma mode 2 has been selected. selection of multiword dma modes 3 and above are spec ific to compactflash are reported in word 163, word 163: cf advanced true ide timing mode capabilities and settings. bits 7 through 0 of word 63 of the identify device par ameter information is defined as the multiword dma data transfer supported field. if this fi eld is supported, bit 1 of word 53 shall be set to one. this field is bit significant. any number of bits may be set to one in this field by the compactflash storage card to indicate the multiword dma modes it is capable of supporting. of these bits, bits 7 through 2 are reserved. bit 0, if set to one, indicates that the compactflash storage card supports multiword dma mode 0. bit 1, if set to one, indicates that the compactflash storage card supports multiword dma modes 1 and 0. bit 2, if set to one, indicates that the compactflash storage card supports multiword dma modes 2, 1 and 0. support for multiword dma modes 3 and above are specific to compactflash are reported in word 163, word 163: cf advanced true ide timing mode capabilities and settings. word 64: advanced pio transfer modes supported bits 7 through 0 of word 64 of the identify device parameter information is defined as the advanced pio data transfer supported field. if this fi eld is supported, bit 1 of word 53 shall be set to one. this field is bit significant. any number of bits may be set to one in this field by the compactflash storage card to indicate the advanced pio modes it is capable of supporting.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 62 of these bits, bits 7 through 2 are reserved. bit 0, if set to one, indicates that the compactflash storage card supports pio mode 3. bit 1, if set to one, i ndicates that the compactflash storagecard supports pio mode 4. support for pio modes 5 and above are specific to compactflash are reported in word 163. word 65: minimum multiword dma transfer cycle time word 65 of the parameter information of the i dentify device command is defined as the minimum multiword dma transfer cycle time. this field defi nes, in nanoseconds, the minimum cycle time that, if used by the host, the compactflash storage card guarantees data integrity during the transfer. if this field is supported, bit 1 of word 53 shall be set to one. the value in word 65 shall not be less than the minimum cycle time for the fastest dma mode supported by the device. this field shall be supported by all compactflash storage cards supporting dma modes 1 and above. if bit 1 of word 53 is set to one, but this field is not supported, the card shall return a value of zero in this field. recommended multiword dma transfer cycle time word 66 of the parameter information of the i dentify device command is defined as the recommended multiword dma transfer cycle time. this field defines, in nanoseconds, the cycle time that, if used by the host, may optimize the data transfer from by reducing the probability that the compactflash storage card will need to negate the dmarq signal during the transfer of a sector. if this field is supported, bit 1 of word 53 shall be set to one. the value in word 66 shall not be less than the value in word 65. this field shall be supported by all compactflash storage cards supporting dma modes 1 and above. if bit 1 of word 53 is set to one, but this field is not supported, the card shall return a value of zero in this field. word 67: minimum pio transfer cycle time without flow control word 67 of the parameter informat ion of the identify device comm and is defined as the minimum pio transfer without flow control cycle time. this field defines, in nanoseconds, the minimum cycle time that, if used by the host, the compactflash storage card guar antees data integrity during the transfer without utilization of flow control. if this field is supported, bit 1 of word 53 shall be set to one. any compactflash storage card that supports pio mode 3 or above shall support this field, and the value in word 67 shall not be less than the value reported in word 68. if bit 1 of word 53 is set to one because a compactflash storage card supports a field in words 64-70 other than this field and the compactflash storage card does not support this field, the compactflash storage ca rd shall return a value of zero in this field. word 68: minimum pio transfer cycle time with iordy word 68 of the parameter informat ion of the identify device comm and is defined as the minimum pio transfer with iordy flow control cycle time. this field defines, in nanoseconds, the minimum cycle time that the compactflash storage card supports while performing data transfers while utilizing iordy flow control. if this field is supported, bit 1 of word 53 shall be set to one. any compactflash storage card that supports pio mode 3 or above shall support this fiel d, and the value in word 68 shall be the fastest defined pio mode supported by the compactflash stor age card. if bit 1 of word 53 is set to one because a compactflash storage card supports a field in wo rds 64-70 other than this field and the compactflash storage card does not support this field, the compactfla sh storage card shall return a value of zero in this field. words 82-84: features/command sets supported words 82, 83, and 84 shall indicate features/command sets supported. the value 0000h or ffffh was placed in each of these words by compactflash storage cards prior to ata-3 and shall be interpreted by the host as meaning that features/command sets supported are not indicated. bits 1 through 13 of word 83 and bits 0 through 13 of word 84 are reserved. bit 14 of word 83 and word 84 shall be set to one and bit 15 of word 83 and word 84 shall be cleared to zero to provide indication that t he features/command sets supported words are valid. the values in these words should not be depended on by host implementers.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 63 bit 0 of word 82 shall be set to zero; the smart feature set is not supported. if bit 1 of word 82 is set to one, the security mode feature set is supported. bit 2 of word 82 shall be set to zero; the removable media feature set is not supported. bit 3 of word 82 shall be set to one; the power management feature set is supported. bit 4 of word 82 shall be set to zero; the packet command feature set is not supported. if bit 5 of word 82 is set to one, write cache is supported. if bit 6 of word 82 is set to one, look-ahead is supported. bit 7 of word 82 shall be set to zero; release interrupt is not supported. bit 8 of word 82 shall be set to zero ; service interrupt is not supported. bit 9 of word 82 shall be set to zero; the device reset command is not supported. bit 10 of word 82 shall be set to zero; the host protected area feature set is not supported. bit 11 of word 82 is obsolete. bit 12 of word 82 shall be set to one; the compactflash storage card supports the write buffer command. bit 13 of word 82 shall be set to one; the com pactflash storage card supports the read buffer command. bit 14 of word 82 shall be set to one; the com pactflash storage card supports the nop command. bit 15 of word 82 is obsolete. bit 0 of word 83 shall be set to zero; the compactflash storage card does not support the download microcode command. bit 1 of word 83 shall be set to zero; the com pactflash storage card does not support the read dma queued and write dma queued commands. bit 2 of word 83 shall be set to one; the compac tflash storage card supports the cfa feature set. if bit 3 of word 83 is set to one, the compac tflash storage card supports the advanced power management feature set. bit 4 of word 83 shall be set to zero; the compac tflash storage card does not support the removable media status feature set. words 85-87: features/command sets enabled words 85, 86, and 87 shall indicate features/c ommand sets enabled. the value 0000h or ffffh was placed in each of these words by compactflash storage cards prior to ata-4 and shall be interpreted by the host as meaning that features/command sets enabled are not indicated. bits 1 through 15 of word 86 are reserved. bits 0-13 of word 87 are reserved. bit 14 of word 87 shall be set to one and bit 15 of word 87 shall be cleared to zero to provide indication that the features/command sets enabled words are valid. the values in these words should not be depended on by host implementers. bit 0 of word 85 shall be set to zero; the smart feature set is not enabled. if bit 1 of word 85 is set to one, the security mode feature set has been enabled via the security set password command. bit 2 of word 85 shall be set to zero; the removable media feature set is not supported. bit 3 of word 85 shall be set to one; the power management feature set is supported. bit 4 of word 85 shall be set to zero; the packet command feature set is not enabled. if bit 5 of word 85 is set to one, write cache is enabled. if bit 6 of word 85 is set to one, look-ahead is enabled. bit 7 of word 85 shall be set to zero; release interrupt is not enabled. bit 8 of word 85 shall be set to zero; service interrupt is not enabled. bit 9 of word 85 shall be set to zero; the device reset command is not supported. bit 10 of word 85 shall be set to zero; the host protected area feature set is not supported. bit 11 of word 85 is obsolete. bit 12 of word 85 shall be set to one; the compactflash storage card supports the write buffer command. bit 13 of word 85 shall be set to one; the com pactflash storage card supports the read buffer
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 64 command. bit 14 of word 85 shall be set to one; the com pactflash storage card supports the nop command. bit 15 of word 85 is obsolete. bit 0 of word 86 shall be set to zero; the compactflash storage card does not support the download microcode command. bit 1 of word 86 shall be set to zero; the com pactflash storage card does not support the read dma queued and write dma queued commands. if bit 2 of word 86 shall be set to one, the compac tflash storage card supports the cfa feature set. if bit 3 of word 86 is set to one, the advanc ed power management feature set has been enabled via the set features command. bit 4 of word 86 shall be set to zero; the compac tflash storage card does not support the removable media status feature set. word 88: ultra dma modes supported and selected word 88 identifies the ultra dma transfer modes suppor ted by the device and indi cates the mode that is currently selected. only one dma mode shall be sele cted at any given time. if an ultra dma mode is selected, then no multiword dma mode shall be select ed. if a multiword dma mode is selected, then no ultra dma mode shall be selected. support of this word is mandatory if ultra dma is supported. bits 15-13: reserved bit 12: 1 = ultra dma mode 4 is selected 0 = ultra dma mode 4 is not selected bit 11: 1 = ultra dma mode 3 is selected 0 = ultra dma mode 3 is not selected bit 10: 1 = ultra dma mode 2 is selected 0 = ultra dma mode 2 is not selected bit 9: 1 = ultra dma mode 1 is selected 0 = ultra dma mode 1 is not selected bit 8: 1 = ultra dma mode 0 is selected 0 = ultra dma mode 0 is not selected bits 7-5: reserved bit 4: 1 = ultra dma mode 4 and below are supported. bits 0-3 shall be set to 1. bit 3: 1 = ultra dma mode 3 and below are supported, bits 0-2 shall be set to 1. bit 2: 1 = ultra dma mode 2 and below are supported. bits 0-1 shall be set to 1. bit 1: 1 = ultra dma mode 1 and below are supported. bit 0 shall be set to 1. bit 0: 1 = ultra dma mode 0 is supported word 89: time required for security erase unit completion word 89 specifies the time required for the securi ty erase unit command to complete. this command shall be supported on compactflash storage cards that support security. word 90: time required for enhanced security erase unit completion word 90 specifies the time required for the e nhanced security erase unit command to complete. this command shall be supported on compactfla sh storage cards that support security.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 65 word 91: advanced power management level value bits 7-0 of word 91 contain the current advanced power management level setting. word 128: security status bit 8: security level if set to 1, indicates that security mode is enabled and the security level is maximum. if set to 0 and security mode is enabled, indi cates that the security level is high. bit 5: enhanced security erase unit feature supported if set to 1, indicates that the enhanced security erase unit feature set is supported. bit 4: expire if set to 1, indicates that the security count has expired and security unlock and security erase unit are command aborted until a power-on reset or hard reset. bit 3: freeze if set to 1, indicates that the security is frozen. bit 2: lock if set to 1, indicates that the security is locked. bit 1: enable/disable if set to 1, indicates that the security is enabled. if set to 0, indicates that the security is disabled. bit 0: capability if set to 1, indicates that compactflash st orage card supports security mode feature set. if set to 0, indicates that compactflash stor age card does not support security mode feature set. word 160: power requirement description this word is required for compactflash storage cards that support power mode 1. bit 15: vld if set to 1, indicates that this word cont ains a valid power requirement description. if set to 0, indicates that this word does not contain a power requirement description. bit 14: rsv this bit is reserved and shall be 0. bit 13: -xp if set to 1, indicates that the compactflash storage card does not have power level 1 commands. if set to 0, indicates that the compactflash storage card has power level 1 commands bit 12: -xe if set to 1, indicates that power level 1 commands are disabled. if set to 0, indicates that power level 1 commands are enabled. bit 0-11: maximum current this field contains the compactflash storage card?s maximum current in ma. word 162: key management schemes supported bit 0: cprm support if set to 1, the device supports cprm schem e (content protection for recordable media) if set to 0, the device does not support cprm. bits 1-15 are reserved for future additional key management schemes. word 163: cf advanced true ide timing mode capabilities and settings this word describes the capabilities and current settings for cfa defined advanced timing modes using the true ide interface. notice! the use of true ide pio modes 5 and above or of multiword dma modes 3 and above impose significant restrictions on the implementation of the host: additional requirements for cf advanced timing modes. there are four separate fields defined that descri be support and selection of advanced pio timing modes and advanced multiword dma timing modes. the ol der modes are reported in words 63 and 64.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 66 word 63: multiword dma transfer and 6.2.1.6.19: wo rd 64: advanced pio transfer modes supported. bits 2-0: advanced true ide pio mode support i ndicates the maximum true ide pio mode supported by the card. bits 5-3: advanced true ide multiword dma mode support indicates the maximum true ide multiword dma mode supported by the card. bits 8-6: advanced true ide pio mode selected i ndicates the current true ide pio mode selected on the card. bits 11-9: advanced true ide multiword dma mode se lected indicates the current true ide multiword dma mode selected on the card. bits 15-12 are reserved.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 67 word 164: cf advanced pcmcia i/o and memory timing modes capabilities and settings this word describes the capabilities and current settings for cfa defined advanced timing modes using the memory and pcmcia i/o interface. notice! the use of pcmcia i/o or memory m odes that are 100ns or faster impose significant restrictions on the implementation of the host: additional requirements for cf advanced timing modes. bits 2-0: maximum advanced pcmcia i/o mode support indicates the maximum i/o timing mode supported by the card. bits 5-3: maximum memory timing mode supported indicates the maximum memory timing mode supported by the card. bits 15-6: reserved. idle - 97h or e3h this command causes the compactflash storage card to set bsy, enter the idle mode, clear bsy and generate an interrupt. if the sector count is non-zero, it is interpreted as a timer count with each count being 5 milliseconds and the automatic power down mode is enabled. if the sector count is zero, the automatic power down mode is disabled. note that this time base (5 msec) is different from the ata specification.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 68 idle immediate - 95h or e1h this command causes the compactflash storage card to set bsy, enter the idle mode, clear bsy and generate an interrupt. initialize drive parameters - 91h this command enables the host to set the number of se ctors per track and the number of heads per cylinder. only the sector count and the card/drive /head registers are used by this command. nop - 00h this command always fails with the compactf lash storage card returning command aborted.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 69 read buffer - e4h the read buffer command enables the host to read the current contents of the compactflash storage card?s sector buffer. this command has the same protocol as the read sector(s) command. read dma ? c8h read long sector - 22h or 23h
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 70 read multiple - c4h read sector(s) - 20h or 21h read verify sector(s) - 40h or 41h
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 71 recalibrate - 1xh request sense - 03h the extended error code is returned to the host in the error register.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 72 seek - 7xh set features ? efh
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 73 feature supported features 01h and 81h are used to enable and clear 8 bit data transfer modes in true ide mode. if the 01h feature command is issued all data transfers shall o ccur on the low order d[7:0] data bus and the -iois16 signal shall not be asserted for data register accesse s. the host shall not enable this feature for dma transfers. features 02h and 82h allow the host to enable or disable write cache in compactflash storage cards that implement write cache. when the subcommand disable write cache is issued, the compactflash storage card shall initiate the sequence to flush cache to non-volatile memory before command completion. feature 03h allows the host to select the pio or mult iword dma transfer mode by specifying a value in the sector count register. the upper 5 bits define the ty pe of transfer and the low order 3 bits encode the mode value. one pio mode shall be selected at all times. for cards which support dma, one multiword dma mode shall be selected at all times. the host may change the selected modes by the set features command.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 74 set multiple mode - c6h set sleep mode- 99h or e6h standby - 96h or e2h
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 75 standby immediate - 94h or e0h translate sector - 87h translate sector information
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 76 wear level - f5h write buffer - e8h write dma ? cah
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 77 write long sector - 32h or 33h write multiple command - c5h write multiple without erase ? cdh
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 78 write sector(s) - 30h or 31h write sector(s) without erase - 38h write verify - 3ch
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 79 error posting
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 80 error and status register summarize s the valid status and error value for all the cf-ata command set.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 81 compactflash adapters compactflash and cf+ type i products can be used with a pcmcia type i passive adapters. this adapter converts the type i compactflash storage card or cf+ card into a type ii pcmcia pc card.
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 82
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 83
t t t r r r a a a n n n s s s c c c e e e n n n d d d i i i n n n d d d u u u s s s t t t r r r i i i a a a l l l c c c f f f c c c a a a r r r d d d ( ( ( 1 1 1 2 2 2 8 8 8 m m m b b b ~ ~ ~ 8 8 8 g g g b b b ) ) ) transcend information inc. v1.1 84 above technical information is based on industry standard dat a and tested to be reliable. however, transcend makes no warranty, either expressed or implied, as to its accura cy and assumes no liability in connection with the use of this product. transcend reserves the right to make changes in specifications at any time without prior notice.

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