IZ5851V CMOS 4-BIT SINGLE-CHIP APPLICATION-ORIENTED MICROCOMPUTER WITH LCD DRIVER ( prototype LC5851N SANYO). DESCRIPTION The IZ5851 is a CMOS 4-bit single chip microcomputer that operate on low voltage, very low current and contain LCD drivers. It also contain a 4 bit parallel processing ALU, a program memory ROM, data memory (RAM),input & output port, Timer, many LCD segments outputs, a prescaler, and a clock generator. A total of 79 instruction, including the operation and processing instructions executable in 4 bits units, various conditional branch instructions and LCD drivers data transfer instructions, from an easy- to-use and effective instruction system. FEATURES • Supply voltage (Mask option selectable) • Current dissipation 1.5 or 3 V • Output pins for LCD drive • Input port pin • Input/Output port pin • Output port pin • Control output terminal 5.0 µ A Typ (Ag Battery ,32 kHz crystal oscillation) 25 2 ports/8 pins 2 ports/8 pins 1 ports/4 pins 2 pins • ROM •.RAM • Cycle Time crystal • Instruction set • Interrupt function . .. External source .. Internal source 1024 × 15 bit 64 × 4 bit 32.768 kHz :244µs 79 instructions 2 2 ABSOLUTE MAXIMUM RATINGS (VDD = 0V, Ta=25°C) Item Symbol Maximum Supply Voltage Maximum input Voltage Vin1 Operating Temperature Condition/Terminal Rating Unit VSS1 -4.0 V VSS2 -4.0 V Vss1-0.3 V S1-4,M1-4,I/OA1-4,I/OB14,INT,TESTA,OSCIN,RES,BAK Ta -0 ~ + 55 ESD (HBM) 200 o C V ALLOWABLE OPERATING CONDITIONS (Ta = 25oC, VDD = 0V) Item Supply Voltage Symbol Condition/Terminal min max Unit VSS1 VBAK=Vss1 -1.65 -1.3 V -3.3 -2.4 V VSS2 Input H-level Voltage Vih S1-4,M1-4,I/OA1-4,I/OB14,INT -0.2 0 V Input L-level Voltage Vil S1-4,M1-4,I/OA1-4,I/OB14,INT Vss1 Vss1+0.2 V Operating Frequency fop Ta =0 ~ + 55°C 32 33 kHz 1 IZ5851V ELECTRICAL CHARACTERISTICS at Ta=25+-2°C VDD=0V Item Input Resistance Symbol Condition/Terminal min max Unit Rin1B Vss1=-1.55V.pull-down resistor 200 2000 KΩ Rin2A Vss1=-1.55V.pull-up resistor 200 2000 KΩ 5 50 KΩ Vih=Vss1 INT Rin3 Vss1=-1.55V.pull-down resistor Vih=Vdd for RES Output H-level Voltage Voh1 Output L-level Voltage Vol1 Output H-level Voltage Voh2 Output L-level Voltage Vol2 Output H-level Voltage Voh3 Output L-level Voltage Vol3 Output H-level Voltage Voh4 Output L-level Voltage Vol4 Output M-level Voltage Vom Output voltage Vss2 -0.65 V Ioh=-250mkA Vss1=-1.35V.ALM.LIGHT Vss1+0.65 V Iol=250mkA Vss1=-1.55V.I/OA1-4,I/OB1-4,P1-4 -0.2 V Ioh=-20mkA Vss1=-1.55V.I/OA1-4,I/OB1-4,P1-4 Vss1+0.2 V Iol=20mkA Vss1=-1.55V.all SEGOUTs -0.2 V Ioh=-0.4mkA Vss1=-1.55V.all SEGOUTs Vss2+0.2 V Iol=0.4mkA Vss1=-1.55V.COM1.COM2.COM3 -0.2 V Ioh=-4mkA Vss1=-1.55V.COM1.COM2.COM3 Vss2=0.2 V Vss1+0.2 V -2.5 V 10 µA -1,35 V -1,3 V 10 sec Iol=4mkA Vss1=-1.55V.COM1.COM2.COM3 Vss1-0.2 Iol=4mkA,Ioh=-4mkA LCD Lighting:1/3Bias Method (doubler) Supply Current Vss1=-1.35V.ALM.LIGHT Vss1=-1.35V.fopg=32.768KHz C1=C2=0.1µF Idd Vss1=-1.55V.HALT mode C1=C2=0.1µF,Rs=25 KΩ Cg=20pF,32.768KHz X′tal Oscillation Start Voltage Vstt Rs=25 KΩ,32.768KHz X′tal Vss1 Oscillation Hold Voltage Vhold Cg=20pF Rs=25K Ω -1,6 32.768KHz X′tal Vss1 Oscillation Start Time Cg=20pF Tstt Vss1=-1.35V. Rs= 25K Ω 32.768kHz X′tal 2 IZ5851V TERMINAL DESCRIPTION Terminal Name OSCIN OSCOUT 10P S1 - S4 M1 - M4 I/O B1 I/O B2 I/O B3 I/O B4 I/O A1 I/O A2 I/O A3 I/O A4 P1 - P4 INT BAK LIGHT ALM RES Vdd Vss1 Vss2 Vss3 CUP1 CUP2 COM1 COM2 COM3 SEGMENT drivers TEST TEST TESTA TEST Function Terminals for crystal oscillator Terminals for crystal oscillator Used as an oscillation phase compensating Input-only port Input terminals for writing data in RAM Input/output port Input/output port Output-only port Control input port for external interrupt request Supply voltage terminal for the logic section of LSI circuit Suitable for delivering signal to drive high-current driving transistor Output-only port System reset terminal Supply voltage terminal(+) Supply voltage terminal(-) Terminals are used as the source supply for the LCD drivers Connection terminals for voltage doubler capacitor Output terminal vor common plate of LCD Output for LCD Terminal for test (not used by the users) 3 IZ5851V P1 P2 P3 P4 COM1 COM1 COM1 A1 in/out A1 in/out A1 in/out A1 in/out SEGout LCD 1/2BIAS, 1/3 DUTY 25x3=75max RES KEY MATRIX M1 M1 M1 M1 VDD + Vss1 20pF 1.5 V 0.1µF Vss2 OSCin Vss3 OSCout 32768kHz 0.1µF S1 CUP1 S2-S4 CUP2 ALM PAD DIAGRAM 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 62 63 41 64 40 65 66 67 1 2 39 M odel I Z5851 PAD Chip Size Pad Size Unit DI AGRAM : 3900 x 3600 : 120 x 120 : µm 38 37 36 35 3 34 4 33 5 32 31 6 30 7 29 8 28 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 4 27 IZ5851V PAD LOCATION PAD N PAD NAME X 1 Vdd 215 2 BAK 3 Y PAD N PAD NAME X 1689 24 M2 3045 224 1509 25 M3 Vss1 224 1329 26 4 Vss2 224 1149 5 ALM 224 964 6 LIGHT 224 7 S4 8 9 Y PAD N PAD NAME X Y 237 47 SEG8 2810 3360 3225 237 48 SEG9 2630 3360 M4 3405 237 49 SEG10 2450 3360 27 TESTA 3677 237 50 SEG11 2270 3360 28 TEST 3677 414 51 SEG12 2090 3360 784 29 CUP1 3677 604 52 SEG13 1910 3360 224 595 30 CUP2 3677 779 53 SEG14 1730 3360 S3 224 420 31 S2 3677 959 54 SEG15 1550 3600 A1 224 237 32 S1 3677 1141 55 SEG16 1370 3360 10 A2 520 237 33 Vdd 3677 1327 56 SEG17 1190 3360 11 A3 714 237 34 OSCIN 3677 1506 57 SEG18 1010 3360 12 A4 880 237 35 10P 3677 1687 58 SEG19 830 3360 13 B1 1074 237 36 OSCOUT 3677 1872 59 SEG20 650 3360 14 B2 1241 237 37 COM1 3677 2055 60 SEG21 470 3360 15 B3 1433 237 38 SEG1 3677 2242 61 SEG22 290 3360 16 B4 1600 237 39 SEG2 3677 2422 62 SEG23 247 2882 17 RES 1784 237 40 SEG3 3677 2602 63 SEG24 229 2628 18 INT 1965 237 41 SEG4 3677 2783 64 SEG25 229 2367 19 P1 2147 237 42 TEST42 3677 3180 65 COM3 224 2235 20 P2 2325 237 43 TEST43 3677 3360 66 COM2 224 2050 21 P3 2505 237 44 SEG5 3350 3360 67 Vss3 224 1865 22 P4 2705 237 45 SEG6 3170 3360 23 M1 2865 237 46 SEG7 2990 3360 5