25 lines
404 B
Plaintext
25 lines
404 B
Plaintext
|
Name:
|
||
|
|
=====
|
||
|
|
pdm_fft
|
||
|
|
|
||
|
|
|
||
|
|
Description:
|
||
|
|
============
|
||
|
|
An example to show basic PDM operation.
|
||
|
|
|
||
|
|
|
||
|
|
Purpose:
|
||
|
|
========
|
||
|
|
This example enables the PDM interface to record audio signals from an
|
||
|
|
external microphone. The required pin connections are:
|
||
|
|
|
||
|
|
Printing takes place over the ITM at 1M Baud.
|
||
|
|
|
||
|
|
GPIO 11 - PDM DATA
|
||
|
|
GPIO 12 - PDM CLK
|
||
|
|
|
||
|
|
|
||
|
|
******************************************************************************
|
||
|
|
|
||
|
|
|