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
EVK-MIMXRT1064 board
Personal Computer

Board settings

Remove the resistor R334 and weld 0Ω resistor to R278,R280.

LPSPI:

       MASTER           connect to           MASTER
Pin Name   Board Location     Pin Name    Board Location
SOUT       J24-4              SIN         J24-5

Prepare the Demo

Connect a mini USB cable between the PC host and the OpenSDA USB port on the board.
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
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, you can see the similar information from the terminal as below.

***LPSPI Loopback Demo***

LPSPI loopback test pass!!!