GXM12232-1SL

User’s Guide GXM12232-1SL 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 Ref/EL LED B/L BLOCK DIAGRAM DB0 DB7 E1 E2 R/W A0 V0 VDD VSS SED1520 (MASTER) SED1520 (SLAVE) C16 C16 S61 122X16 DOTS 122X16 DOTS S61 VLED VDD LED BACKLIGHT PIN ASSIGNMENTS Pin Symbol Level 1 VSS 2 VDD ----- 3 VO 4 A0 --H/L 5 NC 6 E2 H/L 7 NC 8 /RD(E1) -H/L 9 /WR(R/W) --- 10 DB0 H/L 11 DB1 H/L 12 DB2 H/L 13 DB3 H/L 14 DB4 H/L 15 DB5 H/L 16 DB6 H/L 17 DB7 H/L 18 /RES H/L 19 LEDA --- 20 LEDK --- Function GND (0V) Power Supply For Logic Power Supply For LCD Drive H Data L Instruction No connection Enable signal 2 No connection /RD for 80 series, E for 68 series (Enable signal 1) /WD for 80 series, R/W for 68 series Data Bus Line Reset Signal, H 80 Series, L 68 series Power Supply For LED Backlight 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. Storage Temp. TOP -10 TST -20 +50 +70 Unit V ...