(See change Log at bottom of page for changes/updates)
 

Description

This is a AC 97 Controller Core. It provides a an interface to an external AC 97 Audio Codec. This allows the implementation of CD quality Audio Input/Output.

Some of the Features are:

• AC97 Revision 2.2 Compliant
• Variable and Fixed Sample Rate Support, up 48 kHz
• 16, 18 and 20 bit Sample Size Support
• 6 Channel Surround Sound Support
• Stereo Input channel Support
• Mono Microphone Channel Support
• External DMA Engine Support
• WISHBONE SoC host Interface

Status

• 8/2/2001 New Directory Structure ! We have agreed on a common directory structure at OpenCores.
• The AC97 Core is Done !
• I will post a message to cores@opencores.org_NOSPAM each time I have an update

Downloading

To get a tared and gziped snapshot from CVS click here, or go to the CVS info page.

The Specification is available here: ac97_doc.pdf (about 150K)

Author / Maintainer

I have been doing ASIC design, verification and synthesis for over 15 years. I hope you find this cores useful. Please send me a note if you intend to use it  !

Rudolf Usselmann
rudi@asics.ws_NOSPAM
www.asics.ws

Feel free to send me comments, suggestions and bug reports.

Change Log

8/2/2001 RU New Directory Structure Update
19/5/2001 RU First Release
11/5/2001 RU Added link to the spec.
3/5/2001 RU Initial web page