HE126XX50 128 X 32 Dots 1、EXTERNAL DIMENSION AND DISPLAY PATTERN * LED BACKLIGHT VERSION=10.2 ** LED BACKLIGHT VERSION=15.0 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) 110.0×65.0×9.0 (LED:15.0) 76.0×25.0 128×32 0.57×0.57 0.52×0.52 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 3.0 - 5.5 4.5 VDD 0.3VDD 0.4 V mA V V V V - 9.0 - V - 2.0 3.0 mA VDD=5V, Ta=25℃ 4、PIN CONFIGURATION PIN SYMBOL SIGNAL DESCRIPTION PIN SYMBOL 1 2 3 4 5 6 7 8 9 VSS VDD VEE E R/S R/W RST CSB DB0 Ground Logic Voltage Operating Voltage for LCD (Variable) Chip Enable Signal H : Data Code, L : Instruction Code H : Read (Module → MPU), L : Write (MPU → Module) Reset Signal Chip Select Signal for IC Data Bit 0 10 11 12 13 14 15 16 17 18 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A K 5、BLOCK DIAGRAM SIGNAL DESCRIPTION Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Anode of LED Unit Cathode of LED Unit 6、BACKLIGHTING CHARACTERISTICS (Ta=25℃) LED ITEM SYMBOL CONDITION MIN TYP MAX UNIT Supply Voltage VLED - - 4.2 4.6 V Power Consumption PLED IF=240mA - 1008 - mW Luminous IV IF=240mA - 200 - cd/m2