Question on AC97 interface

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Question on AC97 interface

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DanKSI
Contributor III

Hi.

I am looking to connect a Wolfson WM9712 audio codec, which uses the AC97 AC-Link connection, to the Vybrid processor's SAI peripheral.  I have not used this interface before, but I've put together my best guess on what the pin connections should be.

(Vybrid) SAI_TX_DATA -> SDATAOUT (Wolfson)

(Vybrid) SAI_RX_BCLK <- BITCLK (Wolfson)

(Vybrid) SAI_RX_DATA <- SDATAIN (Wolfson)

(Vybrid) SAI_TX_SYNC -> SYNC (Wolfson)

(Vybrid) Any I/O -> RESETB (Wolfson)

Any help verifying this pinout would be great.

Thanks,

Dan

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CommunityBot
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This an automatic process.

We are marking this post as solved, due to the either low activity or any reply marked as correct.

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CommunityBot
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This an automatic process.

We are marking this post as solved, due to the either low activity or any reply marked as correct.

If you have additional questions, please create a new post and reference to this closed post.

NXP Community!
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VilemZ
NXP Employee
NXP Employee

Hi Dan,

It seems be OK.

Best regards

Vilem

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alejandrolozan1
NXP Employee
NXP Employee

Hi Vilem,

Thanks for verifying the connections, this will help me too.

Regards,

Alejandro

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