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.