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

Mini/micro USB cable
MIMXRT1040-EVK board
Personal Computer

Board settings

Remove jumper J80.

Prepare the Demo

Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
Open a serial terminal with the following settings:
- 115200 baud rate
- 8 data bits
- No parity
- One stop bit
- No flow control
Download the program to the target board.
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 example runs successfully, the following message is displayed in the terminal:

CMP interrupt Example

Then change CMP analog input, and watch the change of LED. - CMP1_IN1 (J17-9) connected to VCC =3.3V (J32-4): USER LED on - CMP1_IN1 (J17-9) connected to GND (J32-6): USER LED off