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CS43L22 on STM32F4 disco-board

julienterrier39
Associate II

‎2016-03-14 08:08 AM

Posted on March 14, 2016 at 16:08

Hi, 

It's about CS43L22 (Low Power, Stereo DAC w/Headphone & Speaker Amps) available on STM32F4 disco-board.

So according to this schematic:

0690X00000605PzQAI.png
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julienterrier39
Associate II

‎2016-03-14 08:21 AM

Posted on March 14, 2016 at 16:21

I would know more about PA4(Audio DAC OUT) PC3(PDM OUT) and PC4

It seems that PA4 comes from the µcontroller's DAC (additionnal functions ADC12_IN4

/DAC_OUT1) ?

PC3 comes from microphone MP45DT02 it s clear!

PC4 is an analogic enter what I could use freely?  

Each enter go with low/high filter (if someone could explain me more precisely thanks)

And if I want use these analogic enter I must play with my µcontroler to order the CS43L22 ? 

Thanks

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