General descriptiondownload-pdf

This is a simple AC97 Controller IP core.
It supports one AC97 codec, with 6 output and 3 input channels.
This AC97 Controller s fully AC97 Revision 2.2
compliant. It only supports AC97 Audio CODECs

AMBA 2.0 AHB interface
Variable and Fixed Sample Rate Support, up 48 kHz
16, 18 and 20 bit Sample Size Support
6 Output Channel Surround Sound Support
Stereo Input channel Support
Mono Microphone Channel Support
External DMA Engine Support
Functional description

The core has an AMBA AHB bus communication interface and includes programmable registers that can be modified depending on the desirecommunication protocol and communication target. This AC97 IP Core supports up to 6 output and 3 input channels.