[BL-M8822CS1-S]
27 PCM_SYNC (PCM sync output signal)
28 PCM_IN (PCM data input)
29 PCM_OUT (PCM data output)
30 PCM_CLK (PCM clock input signal)

[CYWL6208-GS]
25 PCM_OUT (PCM data out)
26 PCM_CLK (PCM clock)
27 PCM_IN (PCM data input)
28 PCM_SYNC (PCM synchronization control)