タグ: I2C

WG1400HP I2C expanderメモ

WG1400HPでLEDとUSB HubのRESETがぶら下がっているらしいI2C接続のExpander (Texas Instruments TCA6416)がBootloaderから制御できたので、割り当てを確認したメモ。

コマンド実行例

Read value:

boot> debug i2c ioexp read P08

Write value:

boot> debug i2c ioexp write P08 1

割り当て

  • P00: USB Hub (μPD720114) RESET
  • P01: ?
  • P02: ?
  • P03: ?
  • P04: CONVERTER (Red)
  • P05: CONVERTER (Green)
  • P06: TV (Red)
  • P07: TV (Green)
  • P10: 5 GHz (Red)
  • P11: 5 GHZ (Green)
  • P12: 2.4 GHz (Red)
  • P13: 2.4 GHz (Green)
  • P14: ACTIVE (Red)
  • P15: ACTIVE (Green)
  • P16: POWER (Red)
  • P17: POWER (Green)
広告