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

• USB-C cable

• FRDM-MCXC242 board

• Personal Computer

Board settings

No special is needed.

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 on PC for OpenSDA serial device with these settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Connect external signal source to user-defined channel, defined by “DEMO_ADC16_USER_CHANNEL” in source code.

4. Download the program to the target board.

5. 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:

ADC16 polling Example. ADC16_DoAutoCalibration() Done. ADC Full Range: XXXX Press any key to get user channel’s ADC value … ADC Value: 1985 ADC Value: 1689 ADC Value: 1355 ADC Value: 1625 ADC Value: 1575 ADC Value: 1471