Please refer to the Code-Examples-BT-SDK-for-ModusToolbox-master\CYW920819EVB-02\apps\demo\hid\ble_remote demo in the following link:
Thanks for quick reply.
Looking into the code, I found couple of things,
Do you have any idea about pins to be used for micn and micp for analogue microphones? How well is PDM mic support tested?