2004 LCD

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Note

  • Be aware to use address code 0X27 instead of 0X20 in the demo code.(If use the IIC backpack)

Pin Definition

Front-Left Pin1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
VSS VDD V0 RS RW E D0 D1 D2 D3 D4 D5 D6 D7 A K
  • VSS: Ground for Logic(0V)
  • VDD: Power supply for Logic(+5V)
  • V0: Power supply for LCD Driver
  • RS: H: Data;L: Instruction Code
  • R/W: H: Read; L: Write
  • E: Enable signal
  • DB0~DB7: Data Bus Line
  • A: Backlight Power(+5V)
  • K: Backlight Power(0V)

Documents