TLV320AIC3101: Send microphone data with I2S using TLV320AIC3101 IC

Jiahui Gao

Part Number: TLV320AIC3101

Hi team,

I am working on TLV320AIC3101 IC.
This IC works with I2C protocol and I have no problem.

This is my main problem
I am recording sound with a capacitive microphone in differential mode.
I want to send analog microphone data via I2S to another microcontroller. I want to send data with I2S using MIC1RP pin and MIC1RM pin in differential mode

I set the following registers:
1- reg 1 is 0x80
2- reg 2 is 0xaa
3- reg 8 is 0xd0
4- reg 16 is 0x70
5- reg 22 is 0xac

Now with these settings my I2S output does not change.
please guide me

Thanks

Best regards

Jiahui

over 3 years ago

0 pdjuandi over 3 years ago

TI__Mastermind 29755 points

Hi,

Here is the block diagram with its register that you can follow.

You need to configure the clock setting and this PLL calculator can assist you also found in the link below.

https://www.ti.com/product/TLV320AIC3101

Regards.

0 Jiahui Gao over 3 years ago in reply to pdjuandi

TI__Expert 7290 points

Hi expert,

Thanks for your quick reply.

The customer has other questions:

1- Is there a higher quality photo sent to me?
I really need it.
2- I want to know how can I connect the TLV320AIC3101 IC to the Raspberry Pi as a sound card?

I want to connect TLV320AIC3101 to Raspberry Pi 3
Then using the TLV320AIC3101 IC to which the microphone is connected Record sound in Raspberry Pi

Could you give some advice?

Best Regards,
Jiahui

0 pdjuandi over 3 years ago in reply to Jiahui Gao

TI__Mastermind 29755 points

Hi,

1. Let's try with this version.

AIC3101.pdf

2. Unfortunately we are not an expert with this integration.

Regards.

Audio

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TLV320AIC3101: Send microphone data with I2S using TLV320AIC3101 IC