MCUXpresso SDK Documentation
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Hardware requirements

Hardware requirements#

  • Micro USB cable

  • EVK-MIMX8M Plus board

  • J-Link Debug Probe

  • SD card with uboot

  • 12V power supply

  • Personal Computer

Board settings#

No special settings are required.

Prepare the Demo#

  1. Prepare an SD card with the prebuilt U-Boot image. Then, insert the SD card to the target board.

  2. Connect a USB cable between the host PC and the J23 USB port on the target board.

  3. Connect 12V power supply and J-Link Debug Probe to the board, switch SW3 to power on the board

  4. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  5. Download the program to the target board.

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

Running the demo#

Follow the output log, lock and unlock the sema4 gate in uboot. The whole log:

SEMA4 uboot example start
Lock sema4 gate in uboot using:
 > mw.b 0x30ac0000 1 1
Unlock sema4 gate in uboot using:
 > mw.b 0x30ac0000 0 1
SEMA4 uboot example success
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