Hardware requirements

Micro USB cable
MIMX8MN6-EVK board
J-Link Debug Probe
12V power supply
Personal Computer
Headphone

Board settings

No special settings are required.

Note! This case does not support TCM/Flash targets because of limited memory size.

Please note this application can’t support running with Linux BSP!

Prepare the Demo

Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board
Connect a USB cable between the host PC and the J901 USB port on the target 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.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the demo runs successfully, you can hear two audio clips, one is 16K, later one is 48K. The log would be seen on the terminal like:

ASRC memory to memory polling example.

Playback raw audio data

    sample rate : 16000

    channel number: 2

    frequency: 215HZ.

Playback converted audio data

    sample rate : 48000

    channel number: 2

    frequency: 215HZ.

ASRC memory to memory polling example finished.