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Push Buttons

The six push buttons on the MCB1800 board are:

  • The RESET push button connects grounds the active-low external reset pin of the microcontroller and is connected to the power-up reset circuit. This resets the microcontroller.
  • The ISP push button grounds P2_7 pin on the microcontroller. Holding down this button during a reset enables ISP flashing via the boot source configured using the Boot Configuration Jumpers.
  • The P4_0, P4_3 and P4_4 push buttons connects to port pins P4_0, P4_3 and P4_4 of the LPC1850 device and are available for general use.
  • The WAKEUP0 push button connects to pin W_UP0 of the microcontroller. This wakes up the microcontroller out of sleep mode.

MCB1800 Board Buttons

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