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The MCB1800 board has the following LED indicators:

  • The USBnIND0 and USBnIND1 LEDs reflect the state of the 2 USB port control indicator pins of the LPC1850.
    - Pin P8_2 controls USB0_IND0
    - Pin P8_1 controls USB0_IND1
    - Pin P9_4 controls USB1_IND0
    - Pin P9_3 controls USB1_IND1
  • The VBUSn LED indicates 5VDC is present on either the VBUS0 or the VBUS1 USB connector.
  • The 8 Port LEDs marked PD_10 - PD_14 and P9_0 - P9_2 connect to their respective port pins when jumper LED is installed. These LEDs are useful for indicating program status while testing your applications. When these LEDs are not required, you may save power by removing the J21 LED_EN jumper.
  • The ORANGE LED (right/lower) on the Ethernet connector indicates LAN traffic is present.
  • The GREEN LED (left/upper) on the Ethernet connector indicates a good link connection to the LAN.

MCB1800 Board - LEDs

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