Digilent-Compatible I2S Audio Codec

codec front render

Codec PCB Render

codec photo

Assembled Codec PCB

Description

This is an I2S-based Audio Codec that can be connected to 12-pin Digilent peripheral module sockets (PMOD). It provides up to 24-bit, 96kHz stereo audio line-level I/O.

Features:

The signals on the PMOD interface connector are:

FunctionPinPinFunction
I2S_SCLK12MCLK
I2S_SDO34SPI_CLK
I2S_LRCK56SPI_DO
I2S_SDI78SPI_CSB
GND910GND
+3.3V1112+3.3V

FunctionDescription
I2S_SCLKI2S Bit Clock
I2S_SDOI2S Data to the codec DAC
I2S_LRCKI2S Word Clock
I2S_SDII2S Data from the codec ADC
MCLKCodec Master Clock
SPI_CLKControl port clock (SPI or I2C)
SPI_DOControl port data (SPI or I2C)
SPI_CSBControl port select (SPI) or address (I2C)

Caveats:

Design Materials

PC Boards are available directly from BatchPCB.

Project Status

Return to Synth page.

Last Updated
:2012-10-29
Comments to:
Eric Brombaugh

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