This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

Hardware requirements

  • Micro USB cable

  • TWR-KM35Z75M board

  • Personal Computer

Board settings

This example project does not call for any special hardware configurations. Although not required, the recommendation is to leave the development board’s jumper settings and configurations in default state when running this example.

Prepare the Demo

  1. Connect a USB cable between the PC host and the OpenSDA USB port on the board.

  2. Open a serial terminal with these settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  3. Download the program to the target board.

  4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, the log would be seen on the OpenSDA terminal like:

ADC LOW POWER ASYNC DMA DEMO
ADC16_DoAutoCalibration() Done.
ADC Full Range: 65536
Please press any key to trigger ADC conversion.
ADC value: 14501
Please press any key to trigger ADC conversion.
ADC value: 14503
Please press any key to trigger ADC conversion.
ADC value: 14492
Please press any key to trigger ADC conversion.
ADC value: 14476
Please press any key to trigger ADC conversion.

Note:

  • LED will be toggled when the CPU wake up.