HE125XX51 128 X 64 Dots 1、EXTERNAL DIMENSION AND DISPLAY PATTERN 2、MECHANICAL DATA 3、ELECTRICAL CHARACTERISTICS (Ta=25℃) ITEM SPECIFICATION UNIT ITEM Module Size (W×H×T) Viewing Area (W×H) Number of Dots (W×H) Dot Pitch (W×H) Dot Size (W×H) 93.7×53.0×5.5 70.7×38.8 128×64 0.52×0.52 0.48×0.48 mm mm dots mm mm Supply Voltage (Logic) Supply Current (Logic) “HIGH” Input Voltage “LOW” “HIGH” Output Voltage “LOW” LCD Operating Voltage Supply Voltage LCD Drive SPEC. VALUE SYMBOL CONDITION VDD - VSS IDD VIH VIL VOH VOL VDD - Vo Io VDD=5V IOH=0.205mA IOL=1.6mA UNIT MIN. TYP. MAX. 0.7VDD 0 2.4 - 5.0 3.0 - 4.5 VDD 0.3VDD 0.3VDD 0.4 V mA V V V V - 8.5 - V - 0.8 1.0 mA VDD=5V, Ta=25℃ 4、PIN CONFIGURATION PIN SYMBOL 1 2 3 4 5 6 7 8 9 10 1 12 13 /CS1 /RES A0 R/W E DB1 DB1 DB2 DB3 DB4 DB5 DB6 DB7 SIGNAL DESCRIPTION Chip Select Signal Reset Signal Register Select Signal Read/Write Execution Control Enable Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 5、BLOCK DIAGRAM PIN SYMBOL 14 15 16 17 18 19 20 21 22 23 24 25 26 VDD VSS Vout CAP 3CAP 1+ CAP 1CAP 2CAP 2+ V1 V2 V3 V4 V5 SIGNAL DESCRIPTION Logic Voltage Ground Voltage Converter Input/output Cap. 3 Negative Connection Pin for Voltage Converter Cap. 1 Positive Connection Pin for Voltage Converter Cap. 1 Negative Connection Pin for Voltage Converter Cap. 2 Negative Connection Pin for Voltage Converter Cap. 2 Positive Connection Pin for Voltage Converter LCD Driver Voltage LCD Driver Voltage LCD Driver Voltage LCD Driver Voltage LCD Driver Voltage 6、BACKLIGHTING CHARACTERISTICS (Ta=25℃) LED ITEM SYMBOL CONDITION MIN TYP 4.1 Supply Voltage VLED - 3.9 Power Consumption PLED IF = 90mA - Luminous IV IF = 90mA 22 26 MAX UNIT 4.3 V 600 mW cd/m2