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JRM-12232A
122*32DOTS STN/YELLOW GREEN 1/32DUTY 1/5BIAS
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OUTLINE DIMENSION
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PIN CONNECTIONS
NO. 1 2 3 4 5 6 7 8 9~16 17~18 SYMBOL VDD VSS VO RES E1 E2 R/W A0 DB0-DB7 LEDA,K FUNCTION POWER SUPPLY FOR LOGIC CIRCUIT POWER SUPPLY (0V,GND) POWER SUPPLY FOR LCD H→68 SERIES , L→80 SERIES READ/WRITE ENABLE SIGNAL(MASTER) READ/WRITE ENABLE SIGNAL(SLAVE) READ/WRITE SELECT SIGNAL L→INSTRUCTION , H→ DATA BUS LINE LED Supply Voltage (5V) DATA
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BLOCK DIAGRAM & INTERFACE
COM 1-16 LCD 122*32 SEG 1-61 SEG 62-122 COM 17-32
SED1520 A0,/RD,/WR DB0-7, /RES CS1 CS2
SED1520
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POWER SUPPLY
LCD Module
VDD(+5V) LCD Bias Circuit VO R1 VR -3.
JRM-12232A Datasheet
