TI中文支持网
TI专业的中文技术问题搜集分享网站

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

Part Number:PCMD3180

register config in next picture.

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

Taylor:

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。

,

yong lin:

why not ansower?

,

Vivian Gao:

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?

,

Vivian Gao:

Long time no reply received, this post is closed

,

yong lin:

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

赞(0)
未经允许不得转载:TI中文支持网 » PCMD3180: no PDMDIN and PDMCLK output.i want use PCMD3180 for 8 channal DMIC(IMP34DT05) data sampleing.
分享到: 更多 (0)