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 USB cable

  • TWR-KM34Z75M board

  • Personal Computer

Board settings

No special settings are required.

Prepare the Demo

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

  2. Open a serial terminal with the following settings:

    • 9600 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 running the demo, the debug console shows the menu to command the MCU to the target power mode.

NOTE: Only input when the demo asks for input. Input entered at any other time might cause the debug console to overflow and receive the wrong input value.

####################  Power Manager Demo ####################

    Core Clock = 71991296Hz
    Power mode: RUN

Select the desired operation

Press  A for enter: RUN      - Normal RUN mode
Press  B for enter: WAIT     - Wait mode
Press  C for enter: STOP     - Stop mode
Press  D for enter: VLPR     - Very Low Power Run mode
Press  E for enter: VLPW     - Very Low Power Wait mode
Press  F for enter: VLPS     - Very Low Power Stop mode
Press  G for enter: VLLS0    - Very Low Leakage Stop 0 mode
Press  H for enter: VLLS1    - Very Low Leakage Stop 1 mode
Press  I for enter: VLLS2    - Very Low Leakage Stop 2 mode
Press  J for enter: VLLS3    - Very Low Leakage Stop 3 mode

Waiting for power mode select..