MCUXpresso SDK Documentation

Hardware requirements#

  • Micro USB cable

  • TWR-KM35Z75M board

  • Personal Computer

  • Elevator Tower

Board settings#

No special setting are required.

Prepare the Demo#

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

  2. Connect the analog signal source’s output to the input of used-defined comparator’s channel (defined as “DEMO_CMP_USER_CHANNEL” in source code.)

  3. Open a serial terminal with the following settings:

    • 115200 baud rate

    • 8 data bits

    • No parity

    • One stop bit

    • No flow control

  4. Download the program to the target board.

  5. Reset the SoC and run the project.

Running the demo#

When the demo runs successfully, the following message is displayed in the terminal:

CMP polling Example

Then change CMP analog input, and watch the change of LED. - CMP0_IN1 (Jump A63 on Elevator Tower) connected to VCC=3.3V (Jump B3 on Elevator Tower): LED ORANGE on - CMP0_IN1 (Jump A63 on Elevator Tower) connected to GND ( Jump B2 on Elevator Tower): LED ORANGE off