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Altera_Forum
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15 years ago

Using WM8731 Codec on DE2 board as an ADC

I'm using the WM8731 Codec on the DE2 board as an ADC by taking in audio from the Line In jack and sampling it at 48KHz. I've got a project setup to do this using code supplied by Altera/Terasic and...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Hmm...

you are using the CoDec as slave, may be you could try to use it in master mode, so you only have to drive the MCLK. You will get BCLK and WCLK/LRCLK from ADC, if WCLK/LRCLK changes, you can collect the first of your 16 bits at the following rising_edge/posegde of BCLK.

For testing it seems to be easier than using CoDec in slave mode.

GL