MCUXpresso SDK Documentation

Hardware requirements

Hardware requirements#

  • Mini/micro USB cable

  • LPCXpresso51U68 board

  • Personal Computer

Board settings#

  1. Pin P0_21 is used as a CLKOUT signal. Connect this pin to an Oscilloscope for viewing the signal.

Running the demo#

The demo sets the MicroTick Timer as a wake up source and puts the device in deep-sleep mode. The MicroTick timer wakes up the device. After wake up the Green LED on the board blinks and a CLKOUT signal can be seen on pin P0_21.