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ACM4004D Datasheet(PDF) 2 Page - AZ Displays |
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ACM4004D Datasheet(HTML) 2 Page - AZ Displays |
2 / 5 page AZ DISPLAYS, INC. 2 1/15/02 ACM4004D SERIES LCD MODULE 4.0 ELECTRICAL CHARACTERISTICS (Ta = 25C, VDD = 5.0V +/- 0.25V) Item Symbol Condition Min Typ Max Unit Supply voltage for LCD drive (Std temp) VDD-VO Ta = 25 °C 4.5 V Supply voltage for LCD drive (Wide temp) VDD-VO Ta = 25 °C 6.2 V Input voltage VI - 4.75 5.0 5.25 V Input high voltage VIH - 0.8VDD - VDD V Input low voltage VIL -VSS -V Supply current IDD VDD=5.0V - 6.0 10.0 mA LED power supply current ILED Vf=4.2V - 600 - mA 5.0 INTERFACE PIN CONNECTIONS Pin No. Symbol Level Pin Description Function 1 DB7 Data bit 7 4-bit or 8-bit interface 2 DB6 H/L Data bit 6 4-bit or 8-bit interface 3 VO - By user 4 RS H/L H: Data; L: Instruction code 5 R/W H/L Read / write H: Data read, L: Data write 6 E1 H, H →L Start signal for data read/write 7 DB0 H/L Data bit 0 8-bit interface 8 DB1 H/L Data bit 1 8-bit interface 9 DB2 H/L Data bit 2 8-bit interface 10 DB3 H/L Data bit 3 8-bit interface 11 DB4 H/L Data bit 4 4-bit or 8-bit interface 12 DB5 Data bit 5 4-bit or 8-bit interface 13 14 VSS 5V Supply Voltage for logic 15 Anode for LED backlight Power supply for LED/EL backlights 16 K 0V Cathode for LED backlight Power supply for LED/EL backlights H/L VDD E2 Register Select LCD Contrast Adjustment 0V H, H →L H/L Enable for IC1 Ground Enable for IC2 None NC − No Connection Start signal for data read/write 0V 5V 17 A 4.2V 18 0.2VDD |
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