HE126XX01 122 X 32 Dots 1、EXTERNAL DIMENSION AND DISPLAY PATTERN * LED BACKLIGHT VERSION=9.4 ** LED BACKLIGHT VERSION=14.2 2、MECHANICAL DATA 3、ELECTRICAL CHARACTERISTICS (Ta=25℃) ITEM SPECIFICATION UNIT ITEM SYMBOL CONDITION Module Size (W×H×T) Viewing Area (W×H) Number of Dots (W×H) Dot Pitch (W×H) Dot Size (W×H) 84.0×44.0×9.0 (LED:14.2) 60.0×18.5 122×32 0.44×0.44 0.4×0.4 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 VDD - VSS IDD VIH VIL VOH VOL VDD - Vo Io VDD=5V IOH=3.0mA IOL=3.0mA SPEC. VALUE MIN. TYP. 4.5 5.0 2.0 0.8VDD 0 VDD + 2.4 - VDD=5V, Ta=25℃ MAX. UNIT 5.5 3.0 VDD 0.3VDD VDD VDD+0.4 V mA V V V V - 5.0 - V - 1.0 1.5 mA 4、PIN CONFIGURATION PIN SYMBOL 1 2 3 4 5 6 7 8 9 VSS VDD Vo A0 E1 E2 R/W DB0 DB1 SIGNAL DESCRIPTION Ground Logic Voltage Operating Voltage for LCD (Variable) Register Select (H : Data Code, L : Instruction Code) Enable for IC1 Enable for IC2 H : Read (Module→MPU), L : Write (MPU→Module) Data Bit 0 Data Bit 1 5、BLOCK DIAGRAM PIN SYMBOL 10 11 12 13 14 15 16 17 18 DB2 DB3 DB4 DB5 DB6 DB7 /RES A K SIGNAL DESCRIPTION Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Reset Signal 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 4.25 V Power Consumption PLED IF=90mA - 369 - mW Luminous IV IF=90mA - - - cd/m2