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Wrong PDMIC example of scheme

Posted: Sat Sep 05, 2020 1:10 am
by tanzilli
Hi to all,

the schematic on this page is wrong https://www.linux4sam.org/bin/view/Linu ... udioRecord.

The PDMIC interface is mono as explained on page 2194 od the SAMA5D2:

"Description
The Pulse Density Modulation Interface Controller (PDMIC) is a PDM interface controller and decoder that support
mono PDM format
"

so it's unuseful to wire two PDMIC microphones and the state on L/R line is non important. It records always on the same channel.