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| tc83230-0011,JTC83230-0011S 2003-03-04 1 toshiba cmos digital integrated circuit silicon monolithic tc83230-0011,JTC83230-0011S tc83230-0011, JTC83230-0011S: single-chip cmos lsi for calculators with printers (applicable printer heads: m-31 manufactured by epson) the tc83230-0011, JTC83230-0011S 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-digit display, two-memory function, serial printer used to print calculation results, oscillator, and lcd drivers. features operational features print: 11 digits of data. (including decimal point.) 1 digit of minus sign, operational symbol. 1-color printing (black). display: 10 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.)
tc83230-0011,JTC83230-0011S 2003-03-04 2 pin assignment (top view) qfp80 tc83230-0011,JTC83230-0011S 2003-03-04 3 system block diagram tc83230-0011,JTC83230-0011S 2003-03-04 4 connection of lcd segment common tc83230-0011,JTC83230-0011S 2003-03-04 5 key connection touch key lock key tc83230-0011,JTC83230-0011S 2003-03-04 6 specification of calculator operation specifications (1) operations depending on key types and modes key name cal mode tax set mode mode switch [cal] lock key is on [set] lock key is on. c operates as clear key clears input data ce operates as clear entry key clears input data c/ce operates as clear or clear entry key clears input data off operates as off key unused numeral numerals key-inputs numerals inputs numerals ? key-inputs decimal points key-inputs decimal points * , ? operates as total or sub-total key unused , , operates as four-function key unused operates as key unused gt ? * operates as gt key unused p/np switches print or non-print unused rnd switches round-off and round-up unused tab switches decimal points unused % operates as % key unused % operates as delta percentage calculation key unused mu/d operates as mark-up/down key unused ic operates as item count key unused #/p operates as non-add-print key for left-justified printing unused operates as right-shift key operates as right-shift key / operates as sign change key unused m , m m * , m ? m * ? operates as memory function key unused tax operates as tax key unused tax operates as tax key unused operates as key unused operates as key unused operates as key unused ic /ic operates as ic /ic key unused gt switches gt-mode or non gt-mode unused pf operates as paper feed key operates as paper feed key ? * tc83230-0011,JTC83230-0011S 2003-03-04 7 (2) explanation of function [0 ~ 9]...................... [00, 000] keys in numbers from 0 to 9, 00, and 000. if the number of display digits exceeds 10 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 display 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 , m ] ............. 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 [m , m ] 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. tc83230-0011,JTC83230-0011S 2003-03-04 8 [m ? ] ...................... 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 * ] ...................... 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 [m * ] 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. [m * ? ]..................... operates both [m ? ] and [m * ] key operations. pressing this key once is equivalent to pressing the [m ? ] key; pressing the key twice is the same as pressing the [m * ] key. [ , ]...................... 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. ...................... , if the mode is manage of addition or substruction operation, operation is the same as that for or key. and when gt mode is specified, the result of addition/subtruction is added to the gt memory. if the mode is manage of multiplication or division operation, operation is the same as that for key. [ ].......................... 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) tc83230-0011,JTC83230-0011S 2003-03-04 9 [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. [ic]........................ calls the contents of the item counter. does not change current state. [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 display; 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 ] [m ] [m ? ] [m * ] [m * ? ] [mu/d] [ic]. 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 ] [m ] [m ? ] [m * ] [m * ? ] [mu/d] [ic]. the result of pressing the [c/ce] key after the [ / ] or the [#/p] key depends on the state before the keys were pressed. ? * tc83230-0011,JTC83230-0011S 2003-03-04 10 [#/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 .................. tax calculate included tax operation or excluded tax operation. but, only prints and does not express the tax. tax, tax key operation example: (tax 3%) a tax ............ a (3/100) (prints tax) a (a (3/100)) (included tax) a tax ............ a a /(1 3/100) (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 set to t. [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 set to t. [tab] .................... switches the decimal point. at reset, floating point (f) is set. switches the mode in each time when the [tab] key is pressed as follows: f 0 1 2 3 4 6 a f 0 1. displays the specified decimal point or add mode. valid only when the [ l t/ ] lock key is set to t. (3) explanation of lock keys [0, 1, 2, 3].............. [4, 6, a] 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. [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. tc83230-0011,JTC83230-0011S 2003-03-04 11 [ l t/ ] .................... when the [ l t/ ] lock key is on, the [p/np], [rnd], and [tab] keys are valid. when the [ l t/ ] key is off, the [np], [cut], [up], and [0, 1, 2, 3, 4, 6, a] lock keys are valid. [ cal set/ ] .......... when the ( cal set/ ) lock key is on, prints and express the stored tax rate. when the ( cal set/ ) 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. [pf]....................... feed paper. (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). tc83230-0011,JTC83230-0011S 2003-03-04 12 operation example key tab 4/5 ic gt mod touch print display f 4/5 off off off cal power on tc83230-0011,JTC83230-0011S 2003-03-04 13 key tab 4/5 ic gt mod touch print display 3= 3. % = 1. * 50. * tc83230-0011,JTC83230-0011S 2003-03-04 14 key tab 4/5 ic gt mod touch print display 5- 5. - -12. * t -12 + tc83230-0011,JTC83230-0011S 2003-03-04 15 key tab 4/5 ic gt mod touch print display tc83230-0011,JTC83230-0011S 2003-03-04 16 key tab 4/5 ic gt mod touch print display 98000000 00 9,800,000,000. +tax 9800000000. % 294000000. ? 1,009400000 * tc83230-0011,JTC83230-0011S 2003-03-04 17 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 tc83230-0011,JTC83230-0011S 2003-03-04 18 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. tc83230-0011,JTC83230-0011S 2003-03-04 19 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 tc83230-0011,JTC83230-0011S 2003-03-04 20 waveforms for display tc83230-0011,JTC83230-0011S 2003-03-04 21 pad location table ( m) name x point y point ko0 1282 2074 ko1 1122 2074 ko2 962 2074 ko3 802 2074 r 80 641 2074 r 81 438 2074 r 82 278 2074 r 83 74 2074 v dd 86 2074 r 90 246 2074 r 91 449 2074 r 92 610 2074 r 40 802 2074 r 41 962 2074 r 42 1122 2074 r 43 1282 2074 r 50 1644 2011 r 51 1644 1807 r 52 1644 1647 r 53 1644 1444 r 60 1644 1283 r 61 1644 1080 r 62 1644 920 r 63 1644 716 r 70 1644 556 r 71 1644 353 r 72 1644 193 r 73 1644 62 seg0 1644 223 seg1 1644 383 seg2 1644 543 seg3 1644 703 seg4 1644 863 seg5 1644 1024 seg6 1644 1184 seg7 1644 1344 seg8 1644 1504 seg9 1644 1664 seg10 1644 1825 seg11 1644 1985 name x point y point seg12 1202 2074 seg13 1042 2074 seg14 881 2074 seg15 721 2074 seg16 561 2074 seg17 401 2074 seg18 241 2074 seg19 80 2074 seg20 80 2074 seg21 240 2074 seg22 400 2074 seg23 560 2074 seg24 721 2074 seg25 881 2074 seg26 1041 2074 seg27 1201 2074 seg28 1644 1961 seg29 1644 1801 seg30 1644 1641 seg31 1644 1481 com1 1644 1321 com2 1644 1160 com3 1644 1000 com4 1644 840 v lc 1644 520 p10 1644 359 p11 1644 156 p12 1644 4 p13 1644 208 v ss 1644 368 p20 1644 528 p21 1644 731 p22 1644 892 p23 1644 1095 test 1644 1255 xin 1644 1415 xout 1644 1651 breset 1644 1811 bhold 1644 1971 tc83230-0011,JTC83230-0011S 2003-03-04 22 chip layout pad layout active element tc83230-0011,JTC83230-0011S 2003-03-04 23 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. tc83230-0011,JTC83230-0011S 2003-03-04 24 package dimensions weight: 1.52 g (typ.) tc83230-0011,JTC83230-0011S 2003-03-04 25 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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