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LEDs

The LEDs on the MCB2470 board are:

  • The SD/MMC LEDs indicates the status of the SD/MMC Card adapter.
    • The WP LED indicates that the inserted card is write-protected.
    • The CD LED indicates that a card is present in the adapter.
  • The USB Tx LED indicates that serial data is being transmitted from the USB Serial channel.
  • The USB Rx LED indicates that data is being received to the USB Serial channel.
  • The POWER LED indicates that power is present on the board.
  • The ALARM LED indicates that LPC2478 power has been removed.
  • The Reset LED indicates the LPC2478 has received an external reset.
  • LEDs 1-8 display based on the data received by the NXP 16-bit I2C LED dimmer PCA9532 sent over I2C communications channel 0.
  • The EINT0 LED displays when the corresponding EINT0 button is pressed. This sends an external interrupt (P2.10) to the MCU.
  • The USB OTG Device LED UP indicates a good USB link to a USB Host.
  • The USB Host LED PWR indicates that USB power is available for a connecting USB Device.
  • The USB Host LED UP indicates a good USB link to a USB Device.

MCB2470 Board LEDs

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