This is the documentation for the latest (main) development branch of mcuxpresso sdk. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

pdm_standalone_transfer_edma

Overview

The pdm multi channel standalone transfer example shows how to use pdm driver with edma to receive multi DMIC data into standalone buffer:

In this example, pdm will trigger edma to transfer data when one PDM channel watermark value is reached, the DMIC data format,

|CHANNEL0 | CHANNEL0 | CHANNEL0 | …. | CHANNEL1 | CHANNEL 1 | CHANNEL1 |….| CHANNEL2 | CHANNEL 2 | CHANNEL2 |….|

Supported Boards