Hardware requirements
Micro USB cable
MIMXRT700-EVK board
Personal Computer
Board settings
No special settings are required.
Prepare the Demo
Connect a micro USB cable between the PC host and the MCU-LINK USB port (J54) on the board
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.
Launch the debugger in your IDE to begin running the demo.
Running the demo
When the demo runs successfully, please speak or play a song nearby microphone, then you will see log on the terminal like:
PDM hwvad example started!
Voice detected
Voice detected
...
PDM hwvad example finished!
Note: There is a variable in this example which initial as 50, once voice detected, it will decrease by one until 0, then example finish.