Sharp PC-1246 Service Manual

•Basic 2KB RAMSystem area: 0800H - OAFFHUser area: OBOOH - OFFFH•Expansion 2KB RAM (PC-1247 only)Al I open for user area2000H r------,: : 2KB, expansion27FFHL-----' (PC-1247 only)~8 bit-'1o_sooHI_ I 2KB, basic10 FF F H '---------'-SHARP CORPORATION37FFH I Jr-10 bit---iMAIN ROM14Kstepx 10 bit(17Kbytes)[CPU internal ROM] [External RAM]OOOOH ....-----~3.MEMORY MAPAuto power off time: Approx. 11 minutesOptions: CE-124, CE-125, ~E-126P,CE-15216-character liquid crystal dis-play with 5 x 7 dot characters(LF7133E)Character dimensions:4.5(H) x 2.7(W)mmCharacter pitch: 3.45 mm0°C ~ 40°C (32° F ~ 104° F)6V DC Lithium cellsType: CR-2032Approx. 1000 hours(Display: 55555555, ambienttemperature: 20°C (68°F). Theoperating time slightly variesdepending upon the use ofbattery.)Battery will last for a period of2.4 months, assuming the use ofone hour a day which consists of10 minutes of operation or pro-gram execution and 50 minutesof displaying.0.07 w135(W) x 70(D) x 9.5(H )mm5-5/16"(W) x 2-3/4"(D) x3/8"(H)95g (with cells)Weight:Power Consumption:Dimensions:Operating Time:Display: ~"'"'0.01~~o.~~~w~.050.5Operating Temperature:Power Supply:PC-1246PC-1247OOZPC1247SM/EMODELCODEMemory Protection:Editing Features:Basic calculations:Addition, substraction multi-plication, divisionFunction calculations:Trigonometric and inversetrigonometric functions, loga-tithmic and exponential func-tions, angle conversion, squareroot, interger, absolute, signoperators, tt.Cursor left and right ( > , < ) rcharacter insert (INS), characterdelete (DEL), line up and down(i .t )Battery backup (the contents ofprogramme and its data areretained at power-off.)Operators:10 stacks5 stacks16 stacks8 stacksSub-routine:For-NEXT:Function:Data:Stack:Programming Language:CPU:System ROM:Memory Capacity:Calculating System:10 digits (mantissa) + 2 digits(exponent)Algebric system (with priorityjudgement function)BASIC4 bit CMOS17.4K bytesSystem AreaAbout 0.5K bytesArea dedicated to data208 bytesProgram/data area1278 bytes (PC-1246),3326 bytes (PC-1247)Calculating Capacity:2. SPECIFICATIONSPRINfUSJM;GOSUBRETIJRN DIM END CSAVECLOAD P...+NP0 0 ~ 0 ~ ~ ~ D lrnTERISPCINPUT ! f 1HEN G01D FOR TO STEP J\'EXT LI ST RUN0~@.l0@JGJ[TIIBJ(g~! !I # $ ~ & ? : ' :@J0000~@l[i]@J0DEG RAD GRADRUN PROSHIFT E II BUSY p DEFPOWEROFF C=:] ONON~ [I] [I] ~DEL INS~ [3J [TI ~POCKET COMPUTERSHARP1. KEY LAYOUTSHARP -PC-1246SERVICE MANLiAl