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PCM5122: Common audio clock

Kuramochi Tadahiko
Guru 28715 points
Part Number: PCM5122

Hi,

We need to input "common audio clock" to enable "Clock Divider Autoset".

Is "common audio clock" shown values at "13.1.2 PLL Tables for Software Controlled Devices" on the datasheet?

Best Regards,

Kuramochi

  • 0
    TI__Guru 52663 points

    Hi Kuramochi-san,

    If you are using the auto-set functions, you should use one of the clock combinations from Table 32 "System Master Clock Inputs for Audio Related Clocks".  If, for example, if you used an LRCK of 24kHz (which is not on the table), you would need to disable the auto set functions and manually set the clocks based on the "PLL Tables for Software Controlled Devices".

    Thanks,

    Paul