GXM12232-4SL

User’s Guide GXM12232-4SL Liquid Crystal Display Module NANJING GUOXIAN ELECTRONICS CORP. Add: 524 Nanjing Zhongshan East Road Tel: 025-4594900 Fax: 025-4641600 Website: http://www.guoxian.com Email: [email protected] [email protected] contents MECHANICAL DIAGRAM BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS ELECTRICAL CHRACTERISTIC AC Characteristics Read/Write operation sequence(68 Type MPU) Read/Write operation sequence(80 Type MPU) OPERATING PRINCIPLES & METHODS DIAPLAY DATA RAM ADDRESS MAP Mechanical Diagram BLOCK DIAGRAM DB0 DB7 E1 E2 R/W A0 V0 VDD VSS VLED VDD SED1520 (MASTER) SED1520 (SLAVE) C16 C16 S61 122X16 DOTS 122X16 DOTS S61 LED BACKLIGHT PIN ASSIGNMENTS PIN NO. 1 2 3 4 5 6 7 8 9 10-17 18 19-20 SYMBOL VSS VDD VO A0 CS1 CS2 CL /RD(E) /WR(R/W) DB0-DB7 RES LEDA,K FUNCTION POWER SUPPLY(0V,GND) POWER SUPPLY FOR LOGIC CIRCUIT POWER SUPPLY FOR LCD L:INSTRUCTION, H:DATA CHIP ENABLE ACTIVE “L” CHIP ENABLE ACTIVE “L” EXTERNAL CLOCK /RD FOR 80 SERIES, E FOR 68SERIES /WR FOR 80 SERIES, R/W FOR 68 SERIES DATA BUS LINE H:68 SERIES, L:80 SERIES LED SUPPLY VOLTAGE(5V) ABSOLUTE MAXIMUM RATINGS(Ta=25 ) Parameter Symbol Min Max Supply Voltage for logic VDD 0 6.7 Supply Voltage for LCD VDD-V0 0 10 Input voltage VI 0 VDD Operating Temp. TOP -10 +50 Storage Temp. TST -20 +70 Unit V V V ELECTRICAL CHRACTERISTICS(VDD=+5V±10%,VSS=0V,Ta=25 ) DC Characteristics Parameter Symbol Condition Min Typ Max Supply voltage for logic VDD ---- 4.5 5.0 5.5 Supp...