PCMD3140: PDMDIN2_GPI2 NC

CHO SR

Genius 3415 points

Part Number: PCMD3140

Tool/software:

Hi,

If I use only 2 channels, do I need to NC process PDMDIN2_GPI2 pins?

+1 Lakshmi Narasimhan Badrinarayanan 6 months ago

Hi,

If you are using only two digital mic channels, the two mics can be connected to GPI1 as shown in the above diagram.

Since the GPI2 pin is an input pin, we can connect it to GND (we can also disable the GPI2 pin function through the GPI2_CFG[2:0] bit fields).

Thanks and Regards,

Lakshmi Narasimhan

Audio forum