HE126XX05 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)) 93.0×70.0×13.8 72.0×40.0 128×64 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. 4.5 0.7VDD 0 2.4 - 5.0 9.5 - 5.5 14.3 VDD 0.3VDD 0.4 V mA V V V V - 12.5 - V - 3.0 4.5 mA VDD=5V, Ta=25℃ 4、PIN CONFIGURATION PIN SYMBOL 1 2 3 4 5 6 7 8 9 10 VSS VDD Vo RS R/W E DB0 DB1 DB2 DB3 SIGNAL DESCRIPTION GND (0V) Power Supply Supply Voltage LCD Driving Register Select Low = Instruction, High = Data H : Read (Module→MPU), L : Write (MPU→Module) Enable Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 5、BLOCK DIAGRAM PIN SYMBOL 11 12 13 14 15 16 17 18 19 20 DB4 DB5 DB6 DB7 CS1 CS2 /RES Vout A K SIGNAL DESCRIPTION Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Chip Select Signal for IC1 Chip Select Signal for IC2 Reset Signal Power supply for LCD Anode of LED Unit Cathode of LED Unit 6、BACKLIGHTING CHARACTERISTICS (Ta=25℃) LED ITEM SYMBOL CONDITION MIN TYP MAX UNIT Supply Voltage VLED - - 4.1 4.3 V Power Consumption PLED IF=360mA - 1476 - mW Luminous IV IF=360mA - 230 - cd/m2