PCM5122EVM-U: sample code

Hi Sir,

Thank you for your assistance.

Hi Sir,

My customer cannot find the sample code about gain settings from your sharing file, could you please help to share it? Thanks!

Hi Henry,

Arash is out of office today and will return tomorrow to answer your question.

Thanks for your patience,
Jeff McPherson

Hello Henry,

the 6 samples codes were to help any user to start quickly, it is expected the user to add or modify  the needed registers in any of the sample files that were provided. 

The registers to change the gain is mentioned in datasheet in details in section 8.3.5.4 Digital Volume Control. Based on register list, the user can write/modify the gain setting with the following registers.  

Page 0, Resister 61, D(7:0) for L-ch and Register 62, D(7:0) for R-ch.

Table 29. Digital Volume Control Settings    list the digital values vs actual gain in dB. 

Also 8.3.5.5 Analog Gain Control Analog gain control can be selected between 2-Vrms FS (0dB) or 1-Vrms FS (–6 dB). Gain is controlled through Page 1, Register 2, D4(L-ch) / D0(R-ch).   more details in Table 122. Page 1 / Register 2 

Regards,

Arash