PCMD3180: no PDMDIN and PDMCLK output.i want use PCMD3180 for 8 channal DMIC(IMP34DT05) data sampleing.

yong lin

Part Number: PCMD3180

and i read from state register.

i config I2S bclk is 48000hz and bclk/FSYNC is 64,reg 0x15 = 0x44 is correct.

is there something wrang in reg config?

please give me some advise.

linyong0321@gmail.com

0 Taylor 5 个月前

您好，

已经收到了您的案例，调查需要些时间，感谢您的耐心等待。

0 yong lin 5 个月前

why not ansower?

0 Vivian Gao 5 个月前回复 yong lin

The device configuration script seems to be correct.

1) Can you also check the status of the two interrupts in the INT_LTCH0 register?

2) Is there no PDMCLK seen when probing the PDMCLK pins of the PCMD3180 on a scope?

3) Is this systematically seen on multiple PCBs?

0 Vivian Gao 5 个月前回复 Vivian Gao

Long time no reply received, this post is closed

0 yong lin 4 个月前回复 Vivian Gao

four PCMD318 in one i2s bus,must one PCMD3180 work in master mode?

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