MCUXpresso SDK Documentation

Hardware requirements#

  • Micro USB cable

  • MIMXRT685-AUD-EVK board

  • Personal Computer

Board settings#

  • Set VREF_L to GND, VREF_H to 1.8V (connect JP9, JP10).

  • Input voltage signal(0~1.8V) to LPADC0 CH0 (R405, P_5_ADC0_0 side)

Prepare the Demo#

  1. Connect a micro USB cable between the PC host and the CMSIS DAP USB port (J5) on the board

  2. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Launch the debugger in your IDE to begin running the demo.

Running the demo#

When the demo runs successfully, following information can be seen on the terminal:

LPADC Polling Example
Please press any key to get user channel's ADC value.
ADC value: 2714