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genesys logic, inc. 10f, no. 11 , ln. 155 , sec. 3 , peishen rd. , taipei, taiwan tel: ( 886 2 ) 2664 6655 fax: ( 886 2 ) 2664 5757 http://www.genes yslogic.com your imagination, our creation gl 901r x wireless mouse usb+ps2 receiver controller version 1 . 1 dec . 3 , 2001
?2000 - 2001 genesys logic inc. ? all rights reserved - 1 gl 90 1 rx 1 . 1 GL901RX wireless mouse usb/ps2 receiver controller features l fully cmos static design l 8 bits risc - like micro controller l 1.5mbps usb sie engine l 2.75k *14 bits rom / 64 bytes ram l 6mhz external clock l internal switch for usb d+/d - and ps2 clk/data i/o l on chip 3.3v output for rf receiver l 5v operation voltage l 18 pin pdip, soic package l 0 - 40oc operation temperature package type : pdip/soic1 8 2 3 4 5 12 11 9 8 7 6 18 17 16 15 13 14 1 GL901RX xcd sdata sclk vcc osci osco d+/clk d-/data rxen led gnd ps2en btn_sel nc vrx rxdata setup 10 dim_sel functions l built in genesyslogic?s proprietary wireless link protocol l support up to 3d / 5buttons (standard) l support 4d / 5buttons (driver need) l rf transmission rate: 4800 bps l host auto detection: usb & ps2 l ultra hi gh mouse response l support i2c eeprom interface for 8 bits rid & usb vid/pid setting l suspend wireless remote wake up power management l normal mode : otp <15 ma ,mask < 10ma l suspend mode : < 500 ua , include suspend wireless remote wake up genesys logic?s proprietary wireless protocol l provide 8 bits random id to avoid co - channel interference l provide 2bits packet id l provide 2bits user product id l provide 4 bits crc ( cyclic redundancy check) for packet protection
?2000 - 2001 genesys logic inc. ? all rights reserved - 2 gl 90 1 rx 1 . 1 1. overview GL901RX/gl911tx rf - usb is the high performance and low cost assp solution for wireless mouse application. genesys l ogic?s rf - usb mouse series support usb and ps2 interface and provide ultra high response for wheel scrolling type mouse up to 100 packets per second. they are des igned to support up to 4 dimension and 5 buttons to cover most of the pointing device applications. gl911tx is the mouse controller and rf transmitter encoder for portable wireless mouse body. this chip is a high speed risc - like mcu can perform high track ing speed for wheel mouse moving and encode the mouse data with genesys logic?s proprietary protocol. gl911tx can support 2d/3d/4d and up to 5 buttons. with 4800bps high transmission rate it can report 2.5 times data rate than traditional tethered rs - 232 m ouse and almost the same rate as general tethered ps2 or usb mouse. it means the overall excellent performance would give better mouse operation?s feeling just like the tethered mouse. GL901RX is a bridge between rf demodulated base band signal to usb or ps/2 interface. it can adopt any rf wireless receiver easily and decode the rf genesys logic?s proprietary protocol to host site. this chip is also a high speed risc - like mcu with robust low speed usb sie transceiver. with genesys l ogic?s proprietary wirel ess link protocol, which can distinguish up to 255 different id code to avoid other rf interference and insure the error - free data to host.
?2000 - 2001 genesys logic inc. ? all rights reserved - 3 gl 90 1 rx 1 . 1 2. feature l fully cmos static design l 8 bits risc - like micro controller l 1.5mbps usb sie engine l 2.75k *14 bits rom / 64 bytes ram l 6mhz external clock l internal switch for usb d+/d - and ps2 clk/data i/o l 5v operation voltage l on chip 3.3v output for rf receiver l built in genesys l ogic?s proprietary wireless link protocol (glpwp) l rf data rate: 4800 bps l interface auto detection : usb & ps2 l ultra high mouse response l suspend wireless remote wake up l 18 pin pdip, soic package l 0 - 40oc operation temperature flexible mouse mode setting l w/ eeprom : user?s usb vid/pid and 8 bits rid and mouse setting. l w/o eeprom : default vid/pid and 2 d/3d, 3b/5b hardware setting. l usb mode : support 2d - 3d / 1 - 5 buttons (hid1.1standard) l ps2 mode : support 2d/3b (standard) , 3d/3b (intelli mouse) , 3d/5b (intelli2 mouse) l special mode : support 4d / 3buttons , 4d/5b (need driver) power management l n ormal mode: otp <15 ma, mask < 10ma l suspend mode: < 500a, include suspend wireless remote wake up genesys l ogic?s p roprietary w ireless p rotocol l provide 8 bits random id to avoid c o - channel interference l provide 2bits packet id (broadcast packet, x/y pack et, button+zw packet, ..) l provide 2bits user product id (keyboard, joystick, ?.) l provide 4 bits crc ( cyclic redundancy check) for packet protection
?2000 - 2001 genesys logic inc. ? all rights reserved - 4 gl 90 1 rx 1 . 1 3. function description 3.1 function block receiver module rxen gnd pcb loop antenna GL901RX rxdata d+/clk d-/data 6mhz resonator rx crystal 3.3v 5v usb/ps2 interface eeprom switch xcd figure 3 - 1 : block diagram of rf receiver system 3.2 power supply the nominal operation voltage of GL901RX is between 4.5~5.5v and it is built in power fail reset when power voltage below 3.6v+_0.3v. normal working current is less than 10 ma at 6mhz. (a) usb interface : GL901RX supports remote wake function, i.e. when usb host send suspend command, GL901RX will enter suspend mode and draw a little current. in suspend state GL901RX is still active and listening rf signal periodically to scan valid packet. if th ere is any rf packet is received, GL901RX will send remote wake signal to usb host and leave suspend mode. when GL901RX enters suspend mode it will stop the oscillator around 750ms then scan rf packet 30ms periodically. table 3 - 2 : current budget of the receiver & GL901RX (mask) mode normal current suspend current GL901RX current 8ma 308ua rf receiver current 3ma 115ua average current 11ma 423ua (b) ps2 interface: GL901RX do not support suspend function in ps 2 interface (c) regulated 3.3v: vrx (pin 10) is a regulated 3.3v output for receiver. notice the pin only can supply 4ma maximum. and it must be tied a capacitor not less than 1uf to stabilize the output voltage. this pin is always output 3.3v even in usb susp end mode. (d) receiver power control: rxen (pin 16 active high) is the receiver power control pin to enable or disable receiver. be sure the current drawing by the receiver must be as little as possible when rxen is disable(low condition)
?2000 - 2001 genesys logic inc. ? all rights reserved - 5 gl 90 1 rx 1 . 1 3.3 resonator 6mhz cr ystal or resonator is required for GL901RX. 3.4 setup button co - channel interference will happens if two or more closer device working on the same frequency and same id. genesyslogic?s proprietary wireless link protocol provides 8bits identification code (r id) to distinguish the wanted and unwanted transmitter set. when receiver is in ?setup phase? and receives valid ?broadcast packet? then it will store the rid into eeprom. GL901RX will only accept the unique rid packet and ignore other packet after ?setup phase?. there are two methods for receiver to enter ?setup phase?. (a) button setup mode: when ?setup pin? (pin 18 active high) is changed from low to high the GL901RX will enter the ?setup mode? for 30 seconds. (b) wireless setup mode: if the rf receiver prov ides carrier detector output, this function will be available. the xcd pin(2) must be tied with rf receiver?s carrier detector (active low), GL901RX will enter ?setup phase? when and receive a legal ?broadcast packet? and active cd signal (low). gl911rx wi ll also store the rid into eeprom and memory immediately. note: this function is available when the transmitter send s ?broadcast packet? with enough field strength. the rf carrier detector sensitivity must be tuned by experiment. 3.5 i2c eeprom interface gl9 01rx supports i2c eeprom for 24c00, 24c01 and 24c02. GL901RX can read or write the eeprom. there are only 8 bytes eeprom data available for setting. the contents can be programmed by ps2 interface directly or programmed before manufacture. after power on r eset GL901RX will to read the eeprom for system setting. table 3 - 3 : eeprom data definition addres s description bits contents rf setup isp (ps2) 0 check field 0xbbh - o 1 random id rid7 - rid0 o o 2 axis & button d3 d2 d1 d0 b3 b2 b1 b0 - o 3 misc table - o 4 user vidh vidh7 - vidh0 - o 5 user vidl vidl7 - vidl0 - o
?2000 - 2001 genesys logic inc. ? all rights reserved - 6 gl 90 1 rx 1 . 1 6 user pidh pidh7 - pidh0 - o 7 user pidl pidl7 - pidl0 - o note1 : address 2 : high nibble presents dimension number and low nibble presents button number. these setting will affect usb & ps2 report data format to the host. [d3:d0] = dimension number . valid setting : 2=2d , 3=3d, 4=4d, [b3:b0] = buttons number valid setting : 1=1b, 2=2b, 3=3b, 4=4b , 5=5b genesyslogic suggests to use 2d3b , 3d3b , 3d5b setti ng. note2 : mark area is not available now. i2c eeprom isp procedure (for manufacturing) GL901RX can do ?in system program? directly through ps2 command when GL901RX setup pin is set high. GL901RX use only 3 commands to control the r/w of eeprom. (a) 0xf3 : set current eeprom address pointer. (b) 0xe8: set data and execute eeprom write to current address pointer then increase eeprom address pointer. (c) 0xeb: read eeprom 8 bytes from current address pointer table 3 - 5 : eeprom ps2 isp command table example 3d5b (be sure the setup pin is =1) host command host command device response description set setup =1 manual pressed the setup button or using test bench to set high reset 0xff 0xfa 0xaa 0x00 system reset write eeprom address pointer 0xf3 0x0 0 0xfa 0xfa set eeprom address=0 write data to eeprom 0xe8 0xbb 0xfa 0xfa eeprom address 0 =0xa0 address automatic increase 1 wait 5ms wait 5 ms for eeprom write write data to eeprom 0xe8 0x45 0xfa 0xfa eeprom address 0 =0xa1 address automatic incre ase 1 wait 5ms wait 5 ms for eeprom write write data to eeprom 0xe8 0x35 0xfa 0xfa eeprom address 0 =0xa2 address automatic increase 1 wait 5ms wait 5 ms for eeprom write write data to eeprom 0xe8 0x00 0xfa 0xfa eeprom address 0 =0xa3 address aut omatic increase 1 write eeprom address pointer 0xf3 0x00 0xfa 0xfa set eeprom address=0 read eeprom data 0xeb 0xbb 0x45 0x35 0x00 0xxx,0xxx,0xxx,0xxx address 0 address 1 address 2 address 3 address 4, 5, 6, 7
?2000 - 2001 genesys logic inc. ? all rights reserved - 7 gl 90 1 rx 1 . 1 3.6 w/o eeprom GL901RX can detect the eeprom automaticly. if there is no eeprom, gl901 use default genesyslogic vid (0x5e3) /pid(1207) and check the hardware pin setting for mouse type. table 3 - 6 : hardware setting without eeprom mode pin nc 1k connect to led(pin 15) dim_sel 3d 2 d btn_sel 3b 5b 3.7 ps2 command set table 3 - 6 : ps2 command set host command command code device response description setup pin =0 GL901RX isp command setup pin =1 reset 0xff 0xfa 0xaa 0x00 (a) device responds: "acknowledge" (0xfa) (b) enters res et mode. (c) after 390ms device send 0xaa,ox00 (id) resend 0xfe last package device responds: resend the last package set defaults 0xf6 0xfa device responds: "acknowledge" (0xfa) set the default values. (a) sampling rate = 100, (b) resolution = 4 counts/mm (c) scali ng = 1:1 (d) disable data reporting (e) the mouse then resets its movement counters and enters stream mode. disable data reporting 0xf5 0xfa (a) device responds: "acknowledge" (0xfa) (b) disables data reporting (c) resets movement counters. this only effects data reporting in stream mode and does not disable sampling. disabled stream mode functions the same as remote mode. enable data reporting 0xf4 0xfa (a) device responds: "acknowledge" (0xfa) (b) enables data reporting (c) resets movement counters. this command may be issued whil e the mouse is in remote mode (or stream mode), but it will only effect data reporting in stream mode. set sample rate 0xf3 sample_rate 0xfa 0xfa device responds with "acknowledge" (0xfa) then reads one more byte from the host. the GL901RX saves this byt e as the new sample rate. (a) valid sample rate: 10, 20, 40, 60, 80, 100,200 samples/sec. (b) device resets movement counters. eeprom address set command get device id 0xf2 0xfa 0x00 (a) device responds: "acknowledge" (0xfa) (b) standard ps2 mouse id = 0x00 (2d/3b)
?2000 - 2001 genesys logic inc. ? all rights reserved - 8 gl 90 1 rx 1 . 1 intellimouse1 mouse id =0x03 (3d/3b) intellimouse2 mouse id = 0x04 (3d/5b) (c) the device resets its movement counters. set remote mode 0xf0 0xfa device responds with "acknowledge" (0xfa) and resets the movement counters then enters remote mode. set wrap mode 0xee 0xfa (a) device responds: "acknowledge" (0xfa) (b) resets movement counters (c) enters wrap mode. (echo mode) reset wrap mode 0xec 0xfa (a) device responds: "acknowledge" (0xfa) (b) resets movement counters enters the mode it was in prior to wrap mode (str eam mode or remote mode.) read data 0xeb 0xfa report (a) device responds: acknowledge (0xfa) (b) sends movement data packet. eeprom read 8 bytes from address +0 to address +7 set stream mode 0xea 0xfa (a) device responds: "acknowledge" (b) resets movement counters (c) enters stream mode. status request 0xe9 0xfa (a) device responds: "acknowledge" (b) sends 3 - byte status packet (c) resets movement counters. bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 byte0 0 mode enable scaling 0 lbtn mbtn rbtn byte1 resolution byte1 sample rate set resolution 0xe8 0xfa valid resolution: 0x00 = 1 count/mm 0x01 = 2 count/mm 0x10 = 4 count/mm 0x11 = 8 count/mm (a) device responds: acknowledge (0xfa) (b) reads one byte from the host as resolution (c) responds with acknowledge (0xfa) again (d) resets movement counters. write data & & execute write into eeprom set scaling 2:1 0xe7 0xfa (a) device responds: ?acknowledge? (0xfa) (b) enables 2:1 scaling table of scaling ratio actual movement report with scaling 0 0 1 1 2 1 3 3 4 6 5 8 n>5 n*2 set scaling 1: 1 0xe6 0xfa (a) device responds: ?acknowledge? (0xfa) (b) enables 1:1 scaling ps2 packet table 3 - 3 : the standard ps/2 mouse packet bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 byte0 y overflow x overflow y sign bit x sign bit always 1 middle btn right btn left btn byte1 x movement byte1 y movement
?2000 - 2001 genesys logic inc. ? all rights reserved - 9 gl 90 1 rx 1 . 1 the movement counters are 9 - bit 2's complement integers, where the most significant bit appears as a sign bit in byte 1 of the movement data packet. the range of value s that can be expressed by the movement counters is - 255 to +255. if this range is exceeded, the appropriate overflow bit is set and the counter is not incremented/decremented until it is reset. . intellimouse1 extensions (3d/3b): microsoft intellimouse 1 is an extension to the standard ps/2 mouse. this includes support for a total of three mouse buttons and three axis of movement (right - left, up - down, and a scrolling wheel). these additional features require the use of a 4 - byte movement data packet rathe r than the standard 3 - byte packet. since standard ps/2 mouse drivers cannot recognize this packet format, the microsoft intellimouse1 is required to operate exactly like a standard ps/2 mouse unless it knows the drivers support the extended packet format. the microsoft intellimouse1 operates just like a standard ps/2 mouse (ie, it uses a 3 - byte movement data packet, responds to all commands in the same way as a standard ps/2 mouse, and reports a device id of 0x00.) to enter scrolling wheel mode, the host s ends the following command sequence: table 3 - 4 : intellimouse1 enable sequence host command host command device response description set sample rate 0xf3 0xc8 0xf3 0x64 0xf3 0x50 0xfa 0xfa 0xfa 0xfa 0xfa 0 xfa set sample rate 200 =0xc8 set sample rate 100 =0x64 set sample rate 80 =0x50 get device id 0xf2 0xfa 0x03 get device id 00 = not support notice: if the device doesn?t support intellimouse then it will return 0x00 (device id) after the host issu es the "get device id" command (0xf2) table 3 - 5 : the ps/2 intellimouse1 mouse packet (3d3b) bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 byte0 y overflow x overflow y sign bit x sign bit always 1 middle btn ri ght btn left btn byte1 byte1 x movement y movement byte1 z movement z movement is a 2's complement number that represents the scrolling wheel's movement since the last data report. valid values are in the range of - 128 to +127. intellimouse2 extensi ons (3d/5b):
?2000 - 2001 genesys logic inc. ? all rights reserved - 10 gl 90 1 rx 1 . 1 to enter intellimouse2 , the host sends the following command sequence: table 3 - 6 : intellimouse1 enable sequence notice : if the device doesn?t support intellimouse2 then i t will return 0x00 (device id) after the host issues the "get device id" command (0xf2) table 3 - 7 : the ps/2 intellimouse2 mouse packet (3d5b) bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 byte0 y overflow x ov erflow y sign bit x sign bit always 1 middle btn right btn left btn byte1 byte1 x movement y movement byte1 0 0 5th btn 4th btn z movement z0 - z3 is a 2's complement number which represents the amount of movement that has occurred since the last data r eport. valid values range from - 8 to +7. 4th btn: 1 = 4th mouse button is pressed; 0 = 4th mouse button is not pressed. 5th btn: 1 = 5th mouse button is pressed; 0 = 5th mouse button is not pressed special mode (4d/3b, 4d/5b): for more information about special mode, please contact genesys?s fae. 3.8 l ed indicator GL901RX provides a led to monitor some internal information. there are three kind of message can be recognized by user. (a) setup period : the led will blink every 300ms and last 30 seconds when the se tup button is toggled. the led will extinguish after 30 sec or receive 100 valid packet. (b) tx signal : when a good packet is received the led will flush 8ms to indicate packet good signal. (c) suspend monitor (usb only) : when system send suspend command from us b interface, GL901RX will go into suspend mode after 4 second. in suspend phase the GL901RX will scan the rf signal 30ms and flush led 30ms for every 750ms. host command host command device response description set sample rate 0xf3 0xc8 0 xf3 0x64 0xf3 0x50 0xfa 0xfa 0xfa 0xfa 0xfa 0xfa set sample rate 200 =0xc8 set sample rate 100 =0x64 set sample rate 80 =0x50 get device id 0xf2 0xfa 0x04 get device id 00 = not support
?2000 - 2001 genesys logic inc. ? all rights reserved - 11 gl 90 1 rx 1 . 1 3.9 rf interface (a) rxen : the rxen is a rf receiver enable pin (a ctive high). be sure the receiver must be stable within 1ms after rxen is enabled. the driving capability is 12ma. (b) rxdata : the rxdata is the serial input for rf demodulated signal. (c) xcd : carrier detector input pins (active low). the cd sensitivity must be defined by experiment.
?2000 - 2001 genesys logic inc. ? all rights reserved - 12 gl 90 1 rx 1 . 1 4. pin assignment 2 3 4 5 12 11 9 8 7 6 18 17 16 15 13 14 1 GL901RX xcd sdata sclk vcc osci osco d+/clk d-/data rxen led gnd ps2en btn_sel nc vrx rxdata setup 10 dim_sel no. pin name i/o function description note power supply 4 vcc i power supply pin. 4.5v < vdd < 5.5v recommend: 5.0v 14 gnd i ground pin 10 vrx o 3.30.3v regulated output . maximum output < 4ma external capacitor (> 1uf) is required. 5 osci i oscillator input pin 6m resonator or crystal 6 osco o oscillator output pin 6m resonator or crystal rf interface 1 rxdata i rf demodulated baseband signal input internal pull up resistor = 10k ohm 2 xcd i carrier detector , default: active low input internal pull up resistor = 10k ohm optional for wireless setup (note 1) 18 setup i button setup input for ?broadcast packet? listening(change rid code) internal pull down resistor = 16k ohm ttl level 16 rxen o receiver enabl e control output, active high 15 led o receiver status led 1: setup enable : 300ms blinking 30 seconds 2: data packet valid : flush 8us eeprom i/f 3 sdata i/o i2c eeprom data i/o internal pull up resistor = 10k ohm recommend: 24c00~24c02 17 sclk o i2c eeprom clock output recommend: 24c00~24c02. hardware setting 11 dim_sel i dimension select : nc = 3d , tied to pin15 = 2d valid when no eeprom exists internal pull down resistor = 10k ohm please tight to led (pin17) or open 7 btn_sel i button s select : nc = 3b , tied to pin15 = 5b valid when no eeprom exists internal pull down resistor = 10k ohm please tight to led (pin17) or open interface 13 ps2en i/o ps2 : output high usb : input = floating ps2 interface is detected : ps2en will be s et output high for the pull up source of ps2 clk pin usb interface is detected : ps2en will be floating 8 d+/clk i/o ps2: clock open drain pin usb :d+ need 1 7.5k pull up resistor to ps2en 9 d - /data i/o ps2: data pin usb :d - need a 7.5k pull up resist or to 5v or 1.5k to 3.3v
?2000 - 2001 genesys logic inc. ? all rights reserved - 13 gl 90 1 rx 1 . 1 5. electrical characteristics table 5 - 1 : electrical characteristics symbol operating temperature = 0 to 85 c; f osc = 6mhz, v cc = 4.4 to 5.5v characteristic min max units conditions g eneral i cc operating supply current 20 ma i sb supply current ? suspend mode 360 m a see note 1 usb interface v oh static output high 2.8 3.6 v r l of 15k w to gnd v ol static output low 0.3 v r l of 15k w to v3.3 v di differential input sensiti vity 0.2 v |(d+) ? (d - )| v cm differential common mode range 0.8 2.5 v include v di range v se single ended receiver threshold 0.8 2.0 v i lo hi - z state data line leakage - 10 +10 v 0v < v in < 3.3v v3.3 regulator supply voltage 3.0 3.6 v i l = 4ma gpio i nterface r up port2.2 - 4 pull - up resistance 68 120 k w r down port1.0 - 7 pull - down resistance 4 32 k w code option v oh1 static output high for port1.2 - 4, port2.0 - 7 2.4 v v cc = 5v; i oh = 4ma v ol1 static output low for port1.2 - 4, port2.0 - 7 0.4 v v cc = 5 v; i ol = 4ma v oh2 static output high for port1.0 - 1 2.4 v v cc = 5v; i oh = 20ma v ol2 static output low for port1.0 - 1 0.4 v v cc = 5v; i ol = 20ma v ih static input high 2.0 v v cc = 5v v il static input low 0.9 v v cc = 5v i sink1 sink current for port1. 2 - 4, port2.0 - 7 4 ma v out = 0.4v; i sink2 sink current for port1.0 - 1 20 ma v out = 0.4v; i in input leakage current - 1 +1 m a v out = 0v or v cc usb low - speed source f op internal operating frequency 1.5 1.5 mhz transition time t r rise time 7 5 ns c l = 50pf 300 ns c l = 350pf t f fall time 75 ns c l = 50pf 300 ns c l = 350pf t rfm rise/fall time matching 80 120 % t r / t f v crs output signal crossover voltage 1.3 2.0 v t drate low speed data rate 1.4775 676.8 1.5225 666.0 mbs ns 1.5mbs 1.5% source differential driver jitter t udj1 to next transition - 25 25 ns t udj2 for paired transition - 10 10 ns c l = 350pf measured at crossover point receiver data jitter tolerance t djr1 to next transition - 75 75 ns t djr2 for paired transition - 45 45 ns c l = 350pf measured at crossover point t eopt source eop width 1.25 1.50 m s measured at crossover point t deop differential to eop transition skew - 40 100 ns measured at crossover point receiver eop width t eopr1 must reject as eop 330 ns t eopr2 must accept 675 ns measured at crossover point notes: i sb measured with usb in suspend mode; using external square wave clock source (f osc = 6mhz); transceiver pull - up resistor of 1.5k w between v3.3 and d - and 15k w termination resistors on d+ and d - pins; no port pins sourcing current. the i sb value is including power consumed by external resistors.
?2000 - 2001 genesys logic inc. ? all rights reserved - 14 gl 90 1 rx 1 . 1 0.050typ 0.016typ e h 0.020 x 45 d a1 a seating plane 0.004 mox l 6. package dimension 6.1 pdip - 18 6.2 sop - 18 dimension in mil dimension in mm symbol min nom max min nom max a -- 130 -- -- 3.302 -- a1 59 60 61 1.499 1.5 24 1.549 b -- 18 -- -- 0.457 -- b1 -- 60 -- -- 1.524 -- c -- 10 -- -- 0.254 -- d 890 900 910 22.606 22.860 23.114 e1 259 260 -- 6.579 6.604 -- f 290 300 310 7.366 7.620 7.874 e -- 100 -- -- 2.540 -- eb 345 355 365 8.763 9.017 9.271 q 4 o 5.5 o 7 o 4 o 5.5 o 7 o symbols min max a 0.093 0.104 a1 0.004 0.012 d 0.447 0.463 e 0.291 0.299 h 0.394 0.419 l 0.016 0.050 0 0 8 d b b1 a1 a l1 l 15"(2x ) e c f eb c e1 15"(4x)

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