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1 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 EM34004 10/12 digit calculator general description the EM34004 is a single-chip lsi cmos calculator with 12-digits 2-memory or 10-digits 2-memory. EM34004 can drive the liquid crystal display (lcd) with single power supply. single power supply operation, wide operating voltage and lower power consumption make it suitable for 1.5v solar battery operated calculator. beside EM34004 can be selected as auto power off or manual power off with lock key. it also can be selected as memory hold or clear at power off. features ? display : 12-digit or 10-digit (selectable with a pin-programmable) of data, 1-digits of sign, error, memory load symbol. ? algebraic mode ? standard 4 function (addition, subtraction, multiplication, division). ? memory and grand total calculation. ? accumulating gt memory register with count up(down) item counter. ? automaic perecentage operation with add-on discount. ? automaic delta percentage, mark-up and mark-down operations. ? square root. ? constant calculation. ? chain calculation. ? change sign. ? floating point (selectable with a switch). ? fixed point ("0", "1", "2", "3", "4", or "6" selectable with a switch). ? adding point mode(selectable with a switch). ? rounding switch(rounding up, down and off). ? trailing zero suppression. ? punction on display, commas for thousands. ? memory and gt memory contents indicator, turned with nonzero in the memory and gt memory. ? registration overflow, indicating too many digits are entered (the most significant digit are protected). ? result overflow, indicating during calculation (most function key are locked as it happened). ? memory overflow indicating. ? complementary output buffer for direct driving of liquid crystal display. ? oscillator/clock generator internal to chip. ? keyboard encoding internal to chip. ? automaic power on clear. ? wide supply voltage range (1.1 to 1.8v) ? very low power consumption.
* this specification are subject to be changed without notice. EM34004 10/12 digit calculator 2 9.16.1996 pin descriptions symbol i/o function com1 o common 1 to lcd com2 o common 2 to lcd com3 o common 3 to lcd a1 o o/p signal to lcd and o/p strobe to lock key b1 o o/p signal to lcd and o/p strobe to lock key c1 o o/p signal to lcd and o/p strobe to lock key a2 o o/p signal to lcd and o/p strobe to lock key b2 o o/p signal to lcd and o/p strobe to lock key c2 o o/p signal to lcd and o/p strobe to lock key a3 o o/p signal to lcd and o/p strobe to lock key b3 o o/p signal to lcd and o/p strobe to lock key c3 o o/p signal to lcd and o/p strobe to lock key a4 o o/p signal to lcd and o/p strobe to lock key b4 o o/p signal to lcd c4 o o/p signal to lcd a5 o o/p signal to lcd b5 o o/p signal to lcd c5 o o/p signal to lcd a6 o o/p signal to lcd b6 o o/p signal to lcd c6 o o/p signal to lcd a7 o o/p signal to lcd b7 o o/p signal to lcd c7 o o/p signal to lcd a8 o o/p signal to lcd b8 o o/p signal to lcd c8 o o/p signal to lcd a9 o o/p signal to lcd b9 o o/p signal to lcd c9 o o/p signal to lcd a10 o o/p signal to lcd b10 o o/p signal to lcd c10 o o/p signal to lcd a11 o o/p signal to lcd b11 o o/p signal to lcd c11 o o/p signal to lcd a12 o o/p signal to lcd b12 o o/p signal to lcd
3 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 c12 o o/p signal to lcd s1 o o/p signal to lcd s2 o o/p signal to lcd gnd ground va connected as voltage doubler vb connected as voltage doubler v ee connected to capacitor v dd power supply ts1 test pin reset i system reset k1 o o/p strobe signal to key k2 o o/p strobe signal to key k3 i/o o/p strobe signal and key i/p signal k4 i/o o/p strobe signal and key i/p signal k5 i/o o/p strobe signal and key i/p signal k6 i/o o/p strobe signal and key i/p signal k7 i/o o/p strobe signal and key i/p signal k8 i/o o/p strobe signal and key i/p signal k9 i key i/p signal k10 i key i/p signal k11 i key i/p signal k12 i key i/p signal k13 i key i/p signal k14 i key i/p signal symbol i/o function function descriptions a). operation characteristics a). constant operation the EM34004 has implied constant mode on +, -, x, ? & % operations. the constant is performed automatically by the "=" key, "%" key, or "%" key without a constant for addition, subtraction and division while the first operand is the constant for multiplication. b). number entry numbericals can be entered up to 12-digit. c). memory protection in any error detection, the memory contents present before the error detection are protected. d). memory indication if the memory contents are a number other than zero, "m" is indicated in the sign-digit position.
* this specification are subject to be changed without notice. EM34004 10/12 digit calculator 4 9.16.1996 e). auto power off if no key is depressed for a specific period of time, the power supply will automatically turn off (pin option). this time interval up to power-off is 600 sec. f). key definition i). touch key constitution ii). lock key constitution ac reset gnd 5 4 3 2 1 0 00 ce/c on c on mu %= ? x - + ex +/- ? ic + ce cm rm r c m m- m+ 9 87 6 r c gt gt- gt+ off k10 k9 k8 k7 k6 k5 k4 k3 k2 k1 ? k14 : select with calculated digits and memory hold status, mh (memory hold), mk (memory kill), gth (gt memory hold) and gtx (gt memory kill) at auto power off or off key. k13 : select with auto power off mode and total switch. k12 : rounding switches. k11 : select with fixed point or floating mode. open b3 a3 c2 b2 a2 c1 b1 a1 k14 k13 k12 k11 f f6 43 2 1 0 add 5/4 5/4 a , s a , s a , s a , s a , s a , s a , s a , s 10-digit mh, gtk 10-digit mh, gth 10-digit mk , gth 12-digit mk , gtk 12-digit mh , gtk 12-digit mh , gth 10-digit mk , gtk 12-digit mk , gth
5 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 b). keyboard descripion a). equal key (=) i). performs keyed-in operation and maintains that operation for possible use. ii). establishes power/reciprocation calculation. b). multiplication key (x) i). enters multiplicand. ii). performs previous operation and displays result. c). division key ( ? ) i). enters dividend. ii). performs previous operation and displays result. d). addition key (+) i). conditions machine for an addition. ii). performs previous operation and displays result. e). subtraction key (-) i). conditions machine for a subtraction. ii). performs previous operation and displays result. f). percent key (%) the purpose of the percent key is to allow for calculation of add-on and discount. determination of add- on requires the principal amount to be the first entry followed by the "+" or "x" key, with the percentage being the second entry. depression of the percent key yields the amount to add on, such as tax or interest. depression of the "=" key adds this amount to the principal. g). change sign key (+/-) pushing the "+/-" key twice in succession causes the corresponding sign to appear and disappear. during digit entry, this function changes he sign of the entered factor. h). power on/all clear key (on/ac) i). first push power-on displays "0". ii). in the middle of a digit entry, a second push will clear all operating register). i) clear entry/clear key (ce/c) i). during the digit entry, the first depression will clear the entry register. and display the previous enter number again. ii). the second push will clear all registers. j). clear entry key (ce) during the digit entry will clear the entry register and display number "0". k). square root key ( ? ) extracts the square root of a positive number displayed in the entry register. l). memory plus key (m+) i). adds the current display to the contents of memory. ii). it will terminate a number entry.
* this specification are subject to be changed without notice. EM34004 10/12 digit calculator 6 9.16.1996 m). memory minus key (m-) i). subtracts the current display from the contents of memory ii). it will terminate a number entry. n). memory recall and clear key (rcm) i). first push, as rm key, transfers the contents of the memory register into the display register. ii).second push, as cm key, clears the memory. o). number, decimal key ("00", "0 - 9", "?") the first number key in a sequence will clear the display and enter the digit in the display. successive entries will shift the display left and enters the data in display register. the first decimal point entered is effective. an attempted entry of more than 12 digits or 11decimal places will be ignored. p). gt memory recall and clear key (rc gt) i). first push, as rgt key, transfers the contents of the gt memory register into the display register. ii).second push, as cgt key, clears the gt memory. q). exchange key (ex) exchange two operand between the operator. for example, key in "a-b", and then key in "ex" will exchange a and b to "b-a". r). shift key ( ? ) delete the rightest digit and others will shift to right. s). item counter key (ic) i). the "+" and "=" key will increase the counter's contents by one. ii). the "-" will decrease it by two. iii). the others operator key and number key will not change it. t). grand total plus (gt+) ands the current display to the content of grand total memory. u). grand total minus (gt-) subtracts the current display from the content of grand total memory. gt- will terminate a number entry. c). error conditions a). error detection system errors occur when : i). the integral part of any calculation result exceeds 12 digits. ii).the integral part of any memory calculation result exceeds 12-digit or when the integral part of any addend or subtrahend to memory exceeds 12-digit. iii). the integral part of a mark-up and mark-down calculation result exceeds 12-digit. v). a division by zero is attempted. iv). an extraction of the square root of a negative number is attempted. b). error indication
7 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 i). system error : a). "0" is indicated in the first-digit position and "e" in the sign-digit position. b). the high-order 12-digit of a calculation result is indicated together with "e". the location of the decimal point corresponds to the result of calculation times le-12, and no zero shift is performed. c). error release i). system error : a system error can be released by depressing on/ac key or ce/c key. however the calculation result is not cleared by ce/c key but is retained. d). lcd display a). inter connection of lcd i). select of 10-digits ii). select of 12-digits com 32 1 s1 c10 b10 a10 c9 b9 a9 c8 b8 a8 c7 b7 a7 c6 b6 a6 c5 b5 a5 c4 b4 a4 c3 b3 a3 c2 b2 a2 c1 b1 a1 segment common com 3 2 1 s 1 segment common a1 b1 c1 c12 b12 a12 c11 b11 a11 c10 b10 a10c9 b9 a9 c8 b8 a8 c7 b7 a7 c6 b6 a6 c5 b5 a5 c4 b4 a4 c3 b3 a3 c2 b2 a2
* this specification are subject to be changed without notice. EM34004 10/12 digit calculator 8 9.16.1996 e). waveforms for display when f0=18 khz t=1/93.8 hz t1=3.56 ms t t1 v ee =3v v dd =1.5v gnd v ee =3v gnd +3v +1.5v 0v -1.5v -3v +1.5v 0v -1.5v +3v +1.5v 0v -1.5v -3v com3 com1 com2 segment a1 a1-com3 (on) a1-com2 (off) a1-com1 (on) off on off on off on off off on off on off
9 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 absolute maximum ratings items sym. min. max. unit supply voltage v dd -v ss -0.3 2.0 v input voltage vin -0.3 v dd +0.3 v operating temperature top 0 50 c storage temperature tstg -55 +125 c electrical characteristics (v dd =1.5v 0.2v, gnd=0v, t a =25 c, v ee =3.0 0.4v) parameter name sym. min. typ. max. unit condition operating voltage - v dd 1.1 1.5 1.8 v "1" input voltage k3~k10 v ih (1) v dd -0.4 - v dd v reset "1" input voltage k11~k14 v ih (2) v ee -0.4 - v ee v "0" input voltage k3~k14 v il 0 - 0.4 v reset "1" output voltage segment v oh (1) v ee -0.2 - v ee v com1~3 "o" output voltage segment v ol (1) 0 - 0.2 v com1~3 "m" output voltage com1~3 v om v dd -0.2 - v dd +0.2 v "1" output voltage k1~k10 v oh (2) v dd -0.2 - v dd v "0" output voltage k1~k14 v ol (2) 0 - 0.2 v "1" output resistance segment r oh - - 70 k w v out =v ee -0.5v com1~3 "0" output resistance segment r ol - - 70 k w v out =0.5v com1~3 key pull down k1~k10 r keyl (1) 240 - 650 k w v out =v dd resistance key pull up k1~k10 r keyh (1) - - 10 k w v out =0.5v resistance reset r keyh (2) 50 - 370 k w v out =0.5v oscillating (wait) f0 wait 10.8 18.0 25.2 khz v dd =1.5v frequency (operate) f0 op 57.6 96.0 134.4 khz v dd =1.5v frame frequency segment f f 56.3 93.8 131 hz v dd =1.5v com1~3 supply 1(wait) i ddwait - 2.2 3.4 m av dd =1.5v current 2(operate) i ddop - 7.0 11.0 m av dd =1.5v 3(off) i ddoff - - 1.0 m av dd =1.5v power off timer times t 429 600 1001 sec v dd =1.5v
* this specification are subject to be changed without notice. EM34004 10/12 digit calculator 10 9.16.1996 arithmetic operations b10 a10 c9 b9 a9 c8 b8 a8 c7 b7 a7 c6 b6 a6 c5 b5 a5 c4 b4 a4 c3 b3 a3 c2 b2 a2 c1 b1 a1 com3 com2 com1 c10 a11 b11 c11 a12 b12 c12 s1 s2 gnd va vb v ee v dd ts1 reset k1 k2 k3 k4 k5 k6 k7 k8 k9 k10 k11 k12 k13 k14 EM34004 ac 10 mh gth 10 mk gth 12 mh gth 12 mk gth 10 mk gtk 10 mh gtk 12 mk gtk 12 mh gtk a f 6 4 3 2 1 0 add 5/4 5/4 ? ? ? ? ? ? off gt+ gt- r c gt 6 7 8 9 m+ m- rm cm r c m ce ? ic +/- ex + _ x = % mu 00 0 1 2 3 4 5 c on c/ce on lcd a, s a, s a, s a, s a, s a, s a, s a, s
11 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 pad diagram pad no. symbol x y 1 s1 -53.3 1207.0 2 c12 -188.3 1207.0 3 b12 -323.3 1207.0 4 a12 -458.3 1207.0 5 c11 -593.3 1207.0 6 b11 -728.2 1207.0 7 a11 -863.3 1207.0 8 c10 -998.3 1207.0 9 10 b10 -1096.4 991.4 11 a10 -1096.4 856.4 12 c9 -1096.4 721.4 13 b9 -1096.4 586.4 14 a9 -1096.4 451.4 15 c8 -1096.4 316.4 16 b8 -1096.4 181.4 62 63 64 65 68 1 2 3 4 5 61 (0,0) 27 28 29 30 31 32 33 34 36 37 38 39 40 41 42 44 45 46 47 48 49 50 51 52 53 54 55 56 57 67 66 6 7 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 b10 a10 c9 b9 a9 c8 b8 a8 c7 b7 a7 c6 b6 a6 com3 com2 com1 a1 b1 c1 a2 b2 c2 a3 b3 c3 a4 b4 c4 a5 k14 k13 k12 k11 k10 k9 k8 k7 k6 k5 k4 k3 k2 k1 reset c10 a11 b11 c11 a12 b12 c12 s1 s2 gnd va vb v ee v dd ts1 EM34004 24 25 35 c5 b5
* this specification are subject to be changed without notice. EM34004 10/12 digit calculator 12 9.16.1996 pad no. symbol x y 17 a8 -1096.4 46.4 18 c7 -1096.4 -88.6 19 b7 -1096.4 -223.6 20 a7 -1096.4 -358.6 21 c6 -1096.4 -493.6 22 b6 -1096.4 -628.6 23 a6 -1096.4 -763.6 24 c5 -1096.4 -898.6 25 b5 -1096.4 -1033.6 26 27 a5 -1049.4 -1249.4 28 c4 -914.4 -1249.4 29 b4 -779.4 -1249.4 30 a4 -644.4 -1249.4 31 c3 -509.4 -1249.4 32 b3 -374.4 -1249.4 33 a3 -239.4 -1249.4 34 c2 -104.4 -1249.4 35 b2 30.6 -1249.4 36 a2 165.6 -1249.4 37 c1 300.6 -1249.4 38 b1 435.6 -1249.4 39 a1 570.6 -1249.4 40 com3 751.3 -1249.4 41 com2 892.3 -1249.4 42 com1 1032.7 -1249.4 43 44 k14 1039.8 -915.5 45 k13 1039.8 -769.0 46 k12 1039.8 -625.8 47 k11 1039.8 -479.3 48 k10 1087.2 -339.1 49 k9 1087.2 -198.6 50 k8 1057.6 -56.3 51 k7 1057.6 86.8 52 k6 1057.6 232.6 53 k5 1057.6 375.7 54 k4 1057.6 521.5 55 k3 1057.6 664.6 56 k2 1057.6 810.4
13 * this specification are subject to be changed without notice. EM34004 10/12 digit calculator 9.16.1996 57 k1 1057.6 953.5 58 59 60 61 reset 1085.2 1201.8 62 ts1 939.3 1172.2 63 vdd 792.6 1170.8 64 vee 624.9 1164.2 65 vb 489.9 1188.5 66 va 351.7 1188.5 67 gnd 216.7 1207.0 68 s2 81.7 1207.0 pad no. symbol x y chip size : 2500x 2800 m m

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