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| TC83230-0004 2003-03-31 1 toshiba cmos digital integrated circuit silicon monolithic TC83230-0004 TC83230-0004: single-chip cmos lsi for calculators with printers (applicable printer heads: m-72t manufactured by epson) the TC83230-0004 lsi is a single-chip cmos lsi for use in calculators with printers. it integrates i/o logic circuits necessary to configure a calculator with 10-or 12-digit display, two-memory function, serial printer used to print calculation results, oscillator, and lcd drivers. features operational features print: 13 digits of data. (including decimal point.) 1 digit of minus sign, operational symbol. 1-color printing (black). display: 10 or 12 digits of data. (including punctuation in each digit.) 1 digit of floating minus sign, memory load, error symbol, grand total memory load, 3 digits of commas. decimal output: decimal set lock key controls output format. fixed decimal setting (?0?, ?1?, ?2?, ?3?, ?4?, ?6?), full floating decimal, and add mode. key-input buffer: 12 words operation methods: addition and subtraction: by arithmetic operation multiplication and division: by algebraic operation function: four function, repeat multiplication and division, mixed calculation, square calculation, percentage calculation, percent discount and add-on calculation, memory calculation, delta percent calculation, add-mode calculation, mark-up/down calculation, total calculation, constant calculation, tax calculation. two-key rollover. leading zero suppression protection (1) in the overflow condition, all key except ?c?, ?c/ce?, ?ce?, ?feed?, ? ? key are inoperative. (2) key chatter protection (at f = 4 mhz) auto-clear at power on auto-clear functions by connecting a capacitor to the reset pin. weight: 1.52 g (typ.)
TC83230-0004 2003-03-31 2 pin assignment (top view) qfp80 TC83230-0004 2003-03-31 3 system block diagram TC83230-0004 2003-03-31 4 connection of lcd segment common TC83230-0004 2003-03-31 5 key connection touch key select touch key lock key on key TC83230-0004 2003-03-31 6 specification of calculator operation specifications (1) operations depending on key types and modes touch key key name cal mode tax set mode (set i / ii key is on) mode switch touch key mode lock key mode touch key mode lock key mode c operates as clear key operates as clear key clears input data clears input data ce operates as clear entry key operates as clear entry key clears input data clears input data c/ce operates as clear or clear entry key operates as clear or clear entry key clears input data clears input data numeral numeral key-inputs numerals numeral key-inputs numerals inputs numerals inputs numerals off operates as off key unused unused ? key-inputs decimal points key-inputs decimal points key-inputs decimal points key-inputs decimal points * , ? operates as total or sub-total key operates as total or sub-total key unused unused , , operates as four-function key operates as four-function key unused unused operates as key operates as key unused unused p/np switches print or non-print unused unused rnd switches round-off and round-up unused unused dec switches decimal points unused unused % operates as % key operates as % key unused unused % operates as delta percentage calculation key operates as delta percentage calculation key unused unused mu/d operates as mark-up/down key operates as mark-up/down key unused unused ic/ave operates as item count key operates as item count key unused unused #/p operates as non-add-print key for left-justified printing operates as non-add-print key for left-justified printing unused unused operates as right-shift key operates as right-shift key operates as right-shift key operates as right-shift key / operates as sign change key operates as sign change key unused unused m i* , m ii* m i ? , m ii ? , m i , m ii , m i , m ii operates as memory function key operates as memory function key unused unused tax i / ii operates as tax i / ii key operates as tax i / ii key unused unused tax i / ii operates as tax i / ii key operates as tax i / ii key unused unused operates as key unused unused ic mod operates as ic-mode key unused unused TC83230-0004 2003-03-31 7 key name cal mode tax set mode (set i / ii key is on) mode switch touch key mode lock key mode touch key mode lock key mode gt mod operates as gt-mode or non-gt mode key unused unused gt operates as gt key operates as gt key unused unused exc operates as exc key operates as exc key unused unused operates as key operates as key unused unused lock key key name cal mode tax set mode (set i / ii key is on) mode switch touch key mode lock key mode touch key mode lock key mode 0, 1, 2, 3, 4, 6, a, a ii switches decimal points unused unused cut, up switches round-off and round-up unused unused ic , ic operates as ic /ic key unused unused operates as key unused unused gt switches gt-mode or non-gt mode unused unused feed operates as paper feed key operates as paper feed key operates as paper feed key operates as paper feed key np p/ switches print or non-print unused unused TC83230-0004 2003-03-31 8 (2) explanation of function [0 ~ 9]...................... [00, 000] keys in numbers from 0 to 9, 00, and 000. if the number of displays digits exceeds 10 or 12 key entry is invalid. [ ? ].......................... if this key is pressed after a key operation except data entry, the displays is cleared and entry of [ ? ] is stored in memory. the decimal point is shifted for subsequent data entry. if the [ ? ] key is pressed during data entry, displays does not change. [ , ]...................... add or subtract operation data and displays the result. the decimal point is floating except when a mode is specified. addition or subtraction can be performed repeatedly. if these key are pressed in multiplication/division mode or in constant calculation mode, add or subtract displays data to addition/subtraction registers, then displays the result. at this time, in the operation mode multiplicand or divisor do not change. these keys increment or decrement the item counter. in the following operation mode, the operations are executed, and the results are printed and displayed. at that time, addition or subtraction using the addition/subtraction register is not executed. 1) percent discount/add-on calculation a b% .....a (ab/100) c% ......a (ac/100) a b% .....a (ab/100) c% ......a (ac/100) percent discount/add-on with constants are calculated as above. [ ? ].......................... prints and displays the intermediate result in addition/subtraction register. in item count mode, prints the contents of the item counter before the calculation result printing. contents of data register or stored arithmetic instruction are not changed. [ * ].......................... prints and displays the result in addition/subtraction register. automatically feeds paper one line. in item count mode, the contents of the item counter are printed before the calculation result printing. after this key operation, the contents of the addition/subtraction register are cleared. the contents of the item counter are cleared at the first addition/subtraction in next step. the contents of the data register or stored arithmetic instruction are not changed. when gt mode is specified, the result of addition/subtraction is added to the gt memory. m i , m ii ............ m i , m ii if the arithmetic instruction is not stored or if the mode is constant calculation mode, first prints the displays contents after rounding to the specified number of decimal places, performs addition/subtraction using the data in memory, then stores the result in memory. if the multiplication/division instruction is stored, executes the arithmetic instruction, rounds the result to the specified number of decimal places, prints and displays the result, adds/subtracts with the data in memory, then stores the result to memory. at that time, the multiplicand or divisor is stored together with the mode, constant calculation mode. when this key is pressed immediately after the [ ] or [mi , mii , mi , mii ] key, operation is the same as that for the [ ] key; that is, adds/subtracts using data in memory. this key operation increments or decrements the item counter for memory. TC83230-0004 2003-03-31 9 [m i ? , m ii ? ]............ prints or displays the intermediate result of memory calculation. in item count mode, prints the contents of the item counter for memory before the calculation result printing. contents of the data register or stored arithmetic instruction are not changed. [m i* , m ii* ]............ prints and displays the result of memory calculation and automatically feeds paper one line. in item count mode, prints the contents of the item counter for memory before the calculation result printing. after the [mi * , mii * ] key operation, the contents of memory and the contents of the item counter for memory are cleared. contents of the data register or stored arithmetic instruction are not changed. [ , ]...................... if the multiplication or division instruction is stored in memory, prints the operators, performs the operations and displays the results while simultaneously storing a new arithmetic instruction in memory. the decimal point for the result is floating. if the [ ] or [ ] key is pressed in constant calculation mode, prints the displayed numeric value without performing an operation and stores a new multiplication/division instruction in memory. [ ].......................... executes a stored multiplication/division instruction, rounds the result to the specified number of decimal places, prints and displays the result, then automatically feeds the paper one line. stores the multiplicand or divisor together with constant calculation mode in memory. if an instruction is not stored in memory, no operation is performed and the previous state is held. pressing the [ ] key immediately after the [ ] or [ ] key performs the following operation. a .......aa a .......1 [%]......................... if an arithmetic instruction is stored in memory, performs percentage calculation, rounds the result to the specified number of decimal places, prints and displays the result. stores the multiplicand/divisor together with constant calculation mode in memory. if a percentage calculation for multiplication is performed, percent discount/add-on calculation can be done by using the [ ] or [ ] key. at that time, addition/subtraction using the addition/subtraction register is not performed. if an arithmetic instruction is not stored in memory, no operation is performed and the previous state is held. pressing the [%] key immediately after the [ ] or [ ] key performs the following operation. a % ...aa/100 a % ...100 % key operation example: percent discount/add-on calculation a b%....ab/100 a (ab/100) c% ..........ac/100 a (ac/100) a b%....ab/100 .............a (ab/100) c% ..........ac/100 .............a (ac/100) TC83230-0004 2003-03-31 10 [mu/d].................. if a multiplication/division instruction is stored in memory, cancels the data. the decimal point for the result is floating. mu/d key operation example: amu/db a/(1 (b/100)) a (prints profit) a/(1 (b/100)) (mark-up) c a/(1 (c/100)) a (prints profit) a/(1 (c/100)) (mark-up) amu/db / ........... a/(1 (b/100)) a (prints profit) a/(1 (b/100)) (mark-down) c / a/(1 (c/100)) a (prints profit) a/(1 (c/100)) (mark-down) [ %] ...................... if a multiplication/division instruction is memorized, cancels the data. %key operation example: a % b b a (b a)/ a (prints difference) c c a (change delta percent) (c a)/ a (prints difference) a % b / (b a) (change delta percent) (b a)/ a (prints difference) c / (c a) (change delta percent) (c a)/ a (prints difference) [ / ]....................... inverts sign of the displayed number at key entry. [ ] ........................ shifts the contents of the displays to the right by one digit at key entry. for an estimation calculation error, cancels the error. [gt ]................... calls the contents of gt memory. if the key is pressed once, calls the contents of gt memory, but does not change current state. if the key is pressed twice, calls the contents of gt memory and clears them. [c] ......................... cancels all arithmetic instructions and errors, clears the contents of all the registers except the memory register, and prints 0.c. [ce] ...................... if pressed at key entry, clears only the contents of the displays; does not change the stored arithmetic instruction or the contents of the data register. invalid if pressed after one of the following keys: [c] [ ] [ ] [ ] [ ] [ ] [%] [ %] [m i , m ii ] [m i , m ii ] [m i ? , m ii ? ] [m i* , m ii* ] [mu/d] [ic/ave] . the result of pressing the [ce] key after the [#/p] key depends on the state before the keys were pressed. [ic ]...................... [ic ] selects item count mode. ic counts up by the [ ] or [ ] key. ic counts up by the [ ] key, down by the [ ] key. [ ] ......................... if an operation is performed by the [ ] or [%] key in auto accumulation calculation mode, adds the operation result to the addition/subtraction register and increments the item counter. [gt] ...................... in grand total mode, adds the total register to the gt register by the [ * ] key. [c/ce]................... if pressed at key entry, operates same as the [ce] key. if pressed after one of the following keys, operates same as the [c] key: [c/ce] [ ] [ ] [ ] [ ] [ ] [%] [ %] [m i , m ii ] [m i , m ii ] [m i ? , m ii ? ] [m i* , m ii* ] [mu/d] [ic/ave] . the result of pressing the [c/ce] key after the [ / ] or the [#/p] key depends on the state before the keys were pressed. ? * TC83230-0004 2003-03-31 11 [#/p] ...................... if pressed after the numerical key entry, prints the contents of the key entry data register together with the # symbol, but does not change the current state. if the key is pressed after a key except the numerical keys or [ / ] key, does not change the contents of the displays or the current state. if the key is pressed in clock mode, automatically prints the displayed date and time. tax i / ii ............. tax i / ii calculate included tax operation or excluded tax operation. but, only prints and does not express the tax. prints or displays the result-value. (result-value adjusts decimal-point (tab) setting.) feeds the paper one line after prints. tax i key operation example: (tax 3%) a [ tax i ] ........ a (3/100) (prints tax) ........ a (a (3/100)) (included tax) a [ tax ii ] ........ a/(1 3/100) a (prints tax) ........ a/(1 3/100) (excluded tax) if pressed at key entry after number key entry, calculate the tax as a result of calculation. when multiplication/division instruction is stored in memory. [p/np] ................... switches between print and non-print mode. at reset, non-print mode is set. switches mode in each time when the [p/np] key is pressed: p np p np. in print mode, displays ?print mode?. valid only when the [ /l t ] lock key is off. [rnd] ................... switches between round-up, round-off and half-adjust. at reset, half-adjust is set. switches the mode in each time when the [rnd] key is pressed: 5/4 5/4 . displays round-up/round-off. valid only when the [ /l t ] lock key is off. [exc] .................... if an multiplication or division instruction is not stored in memory, it is invalid. constant calculation of multiplication or division instruction exchange for the value of displays, and displays it. [gt mod] ............ exchange gt-mode. (initial setting isn?t support gt-mode.) gt mode cycles not-support and support. and display gt-mode flag. only touch key mode is valid. [ic mod].............. exchange ic-mode. (initial setting isn?t support ic-mode.) ic-mode cycles not-support, ic and ic -mode. and display ic-mode flag. any touch key mode is valid. [ ] ...................... operates root-instruction and displays result-value with print. (result-value adjusts decimal-point (tab) setting.) after prints feeds the paper one line. if the value is minus, change to the plus value and operate root-instruction. then produce an estimate calculation-error. but keep the arithmetic instruction and date-register. TC83230-0004 2003-03-31 12 prints or displays the item counter, when ic/ave key continuously pressed twice just after pressed [ * ] key and [ ? ] key, after first, prints or displays the item counter. the second, the calculation of the mean number are executed, prints or displays the operation result. after calculation of the mean number, item counter are cleared. example a ( ) b ( ) c ( ) d ( ) e ( ) f ( ) g ( ) addition to total addition/subtraction register ( * ) displays or prints addition/ subtraction register. (ic/ave) displays the item counter (ic/ave) displays or prints (a b c d e f g)/7 the even if ic-value is a negative, the calculation of the mean number. example a ( ) b ( ) c ( ) d ( ) addition to total addition/subtraction register [ic/ave]............... ( * ) displays or prints addition/ subtraction register. (ic/ave) displays the item counter (ic/ave) displays or prints (a b c d)/ 2 [dec].................... switches the decimal point. at reset, floating point (f) is set. switches the mode in each time when the [dec] key is pressed as follows: f 0 1 2 3 4 6 a a ii f 0 1. displays the specified decimal point or add mode. valid only when the [ /l t ] lock key is off. (3) explanation of lock keys [0, 1, 2, 3].............. [4, 6, a, a ii ] sets the specified decimal point. if no specification, floating is set. when processing floating point data, the operation result is zero-shifted. when a mode is specified, key-entered data are multiplied by 1/100 only when the key-entered numerical value is used for addition/subtraction or memory addition/subtraction. if the [ ? ] key is pressed during data entry, a mode is invalid. the operation result is treated the same as the specified decimal point, 2. when a ii mode is specified, key-entered data are multiplied by 1/100 only when the key-entered numerical value is used for multiplication/division by [ ] key. if the [ ? ] key is pressed during data entry, a ii mode is invalid. the operation result is treated the same as the specified decimal point, 2. [cut, up] ............ rounds-off in cut mode; rounds-up in up mode; when no specification is made, half-adjusts. when a decimal point is specified, the digit (s) in the subsequent decimal place is (are) half-adjusted, rounded-off, or rounded-up (??). if floating point is specified, the value of the least significant digits which cannot be displayed is rounded off. [ np p/ ] ................. switches between print and non print mode. when [ np p/ ] lock key is off, disables all printing except [pf] or [#/p] key. when mode changes from non-print to print, feeds the paper one line. [ic ]...................... [ic ] selects item count mode. ic counts up by the [ ] or [ ] key. ic counts up by the [ ] key, down by the [ ] key. [ ] ......................... if an operation is performed by the [ ] or [%] key in auto accumulation calculation mode, adds the operation result to the addition/subtraction register and increments the item counter. [gt] ...................... in grand total mode, adds the total register to the gt register by the [ * ] key. TC83230-0004 2003-03-31 13 [ /l t ] .................... when the [ /l t ] lock key is off, the [p/np], [ ], [gt mod], [ic mod], [rnd], and [dec] keys are valid. when the [ /l t ] key is on, the [np], [ ], [gt], [ic ], [ic ], [cut], [up], and [0, 1, 2, 3, 4, 6, a, a ii ] lock keys are valid. set i ................. set ii when the [set i /set ii ] lock key is on, prints and express the stored tax rate. when the [set i /set ii ] lock key is off, store the expression data to the new tax rate. the result of tax rate is only floating-point, and not concent the decimal-point at this function. [feed] ................. feed paper. [tmr] ................... when the [tmr] lock key is on, auto power-off functions. (after approx. 6 minutes.) [ /12 10 ].................. selects 10 digits display and printer when the [ /12 10 ] lock key is off; selects 12 digits display and printer when the [ /12 10 ] lock key is on. (4) on, off key [on] ...................... if pressed in hold mode, cancels hold. at that time, cancels all arithmetic instructions and errors. the contents of the memory register and the tax rate before hold mode are retained; all other registers are cleared. while the [on] key is pressed, the [off] key is invalid. [off] .................... forcibly enters hold mode (cpu sleep mode). TC83230-0004 2003-03-31 14 operation example key tab 4/5 ic gt mod /12 10 br b/ touch print display f 4/5 off off off cal 12 br power on TC83230-0004 2003-03-31 15 key tab 4/5 ic gt mod /12 10 br b/ touch print display 0.0618556701 % 2.0618556701 * TC83230-0004 2003-03-31 16 key tab 4/5 ic gt mod /12 10 br b/ touch print display * -12 g + r TC83230-0004 2003-03-31 17 key tab 4/5 ic gt mod /12 10 br b/ touch print display f cut off off off cal 12 br b/ 0. f cut off off off set ii 12 br b/ --------2-------- 0 % TC83230-0004 2003-03-31 18 key tab 4/5 ic gt mod /12 10 br b/ touch print display 25 * TC83230-0004 2003-03-31 19 key tab 4/5 ic gt mod /12 10 br b/ touch print display -tax i --------1-------- 1,560 -4543689321 r 1,51456310679 * TC83230-0004 2003-03-31 20 key tab 4/5 ic gt mod /12 10 br b/ touch print display 3 3. 3 6. exc 3. 6 18. exc 6. 18 108. exc 18. 108 1,944. = 108 = 209,952 * 209,952. a cut off off off cal 12 br b/ 123 123. + 123 + 1.23 456 456. + 456 + 5.79 ? 579 ? 5.79 * 579 * 5.79 a ii cut off off off cal 12 br b/ 789 789. 789 789. 100 100. = 100 = 78900 * TC83230-0004 2003-03-31 21 maximum ratings (v ss 0 v) characteristics symbol rating unit supply voltage 1 v dd 0.3~6 v supply voltage (lcd drive) v lc 0.3~v dd 0.3 v input voltage v in 0.3~v dd 0.3 v output voltage v out 0.3~v dd 0.3 v output current i out 3.2 ma power dissipation p d 600 mw soldering temperature t sld 260 (10 s) c storage temperature t stg 55~125 c operating temperature t opr 0~40 c electrical characteristics recommended operating conditions (v ss 0 v, t opr 0~40c) characteristics symbol test circuit test condition min max unit operating temperature t opr 0 40 c normal slow 4.5 supply voltage v dd hold 2.0 5.5 v high-level input voltage (non-schmitt circuit) v ih1 v dd 0.7 v dd v high-level input voltage (schmitt circuit) v ih2 v dd 4.5 v v dd 0.75 v dd v high-level input voltage v ih3 v dd 4.5 v v dd 0.9 v dd v low-level input voltage (non-schmitt circuit) v il1 0 v dd 0.3 v low-level input voltage (schmitt circuit) v il2 v dd 4.5 v 0 v dd 0.25 v low-level input voltage v il3 v dd 4.5 v 0 v dd 0.1 v TC83230-0004 2003-03-31 22 dc characteristics (v ss 0 v, t opr 0~40c) characteristics symbol test circuit terminal test condition min typ. max unit hysteresis voltage (schmitt circuit) v hs hysteresis input 0.7 v i in1 ko port, test, reset , hold input current i in2 open drain r port, p port v dd 5.5 v v in 5.5/0 v 2 a r in1 ko port test with input resistor 30 70 150 input resistance r in2 reset , hold v dd 5.5 v v in 5.5/0 v 100 220 450 k i lo1 sink open drain r port v dd 5.5 v v out 5.5 v 2 output leakage current i lo2 source open drain r port, p port v dd 5.5 v v out 1.5 v 2 a high-level output voltage v oh source open drain r port, p port v dd 5.5 v i oh 1.6 ma 2.4 v low-level output voltage v ol sink open drain r port v dd 5.5 v i ol 1.6 ma 0.4 v pull-down resistance r out r port, p port v dd 5.5 v v in 5.5 v 30 70 150 k r os seg output resistance r oc com 35 k v o2/3 3.8 4.0 4.2 v o1/2 3.3 3.5 3.7 output voltage v o1/3 seg/com v dd 5 v v dd v lc 3 v 2.8 3.0 3.2 v supply current (normal) i dd v dd 5.5 v, v lc v ss f c 4 mhz 3 6 ma supply current (hold) i ddh v dd 5.5 v 0.5 10 a note 2: typ. values are guaranteed at t opr 25c, v dd 5 v. note 3: i in1 : excepts a current through a internal pull up/down resistor. note 4: r os , r oc : shows on-resistor at level switching. note 5: v o2/3 : shows 2/3 level output voltage at which 1/4 or 1/3 duty lcd drive. note 6: v o1/2 : shows 1/2 level output voltage at which 1/2 duty or static lcd drive. note 7: v o1/3 : shows 1/3 level output voltage at which 1/4 or 1/3 duty lcd drive. note 8: i dd , i ddh : current consumption at v in 5.3 v/0.2 v should be under that ko port is open and r port voltage level is valid. TC83230-0004 2003-03-31 23 oscillation circuit (v ss 0 v, v dd 4.5~5.5 v, t opr 0~40c) recommended circuit test condition min typ. max unit v dd 5.0 v c 100 pf r 1 k 2% 2.4 4.0 5.6 mhz ac characteristics (v ss 0 v, v dd 4.5~6.0 v, t opr 0~40c) characteristics symbol test circuit test condition min typ. max unit normal 1.9 20 instruction cycle time t cy slow 235 267 s high-level clock pulse width t wch ns low-level clock pulse width t wcl external clock operation 80 ns shift data hold time t sdh 0.5 tcy 300 ns high speed timer/counter input frequency f ht f c mhz TC83230-0004 2003-03-31 24 waveforms for display TC83230-0004 2003-03-31 25 the proposal of outer circuit for tax rate holding with back-up battery. note 9: v 1 3 v: battery supply v 2 5 v: dc supply hold pin is pulled down in the lsi, but normally pulled up to v dd . reset pin is pulled up to v dd . (1) setting power sw to on, v 2 is supplied to v dd pin, and also to hold pin. then calculator operates normally. (2) setting power sw from on to off, v 1 is supplied to v dd pin and v ss is supplied to hold pin. under this connection, tax rate is held. (3) setting power sw to on, v 2 is supplied to v dd pin, and also to hold pin. then calculator operates normally with tax rate to be held. note 10: v 1 (battery) should be supplied to the circuit after v 2 (dc) supply, because of prevention from exhaustion of battery and abnormal operation. TC83230-0004 2003-03-31 26 package dimensions weight: 1.52 g (typ.) TC83230-0004 2003-03-31 27 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. the products described in this document are subject to the foreign exchange and foreign trade laws. the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. the information contained herein is subject to change without notice. 000707eb a restrictions on product use |
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