Hardware requirements#
Micro USB cable
TWR-KM35Z75M board
Personal Computer
Elevator Tower
Board settings#
No special settings are required.
Prepare the Demo#
Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
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.)
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.
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