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You are here: Home> IP Cores > Interface Cores >AC’97 Controller
AC’97
          
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INTRODUCTION | FEATURES | APPLICATION
Introduction

Avalon compliant AC’97 (Audio Codec) Controller IP core provides an interface between Nios II processor and AC’97. It supports one AC’97 codec with 6 output and 3 input channels. The core is fully compliant with AC’97 specification Rev.2.1.

It is provided as Altera SOPC Builder ready component and integrates easily into any SOPC Builder generated system.

SLS also provides you with Santa Cruz Audio Codec (AC’97) snap on board.

Features
  • Compliant with AC’97, rev 2.1 (LM4550)
  • Variable and fixed sample rate support up 48 KHz
  • 16, 18 and 20 bit sample size support
  • Supports 6 output channel surround sound
  • Stereo input channel support
  • Mono microphone channel support
  • Avalon Bus compliant
Example LE Usage
IP Core Supported Families LEs Performance (fmax) Memory Bits
AC’97
Controller
Cyclone
2605
53 MHz
0
Cyclone II
2576
60 MHz
0
Cyclone III
2576
62 MHz
0
Verification
  • AC’97 Controller functionality is tested on UP3 1C6 board.
Deliverables
  • Evaluation version  
    • Encrypted Core
    • One (1) month evaluation license at no cost (from the License Request page )
    • Reference Design with time limited SOF for ESDK 1C6 board (QAR file)
    • Nios II Sample Application
      • Lin_Lout application without interrupt
    • Documentation
      • IP Core user guide
      • Hardware tutorial
  • Full version
    • Encrypted Core
    • One (1) year development license for single project on single node. Other licensing schemes available. Please contact sales@slscorp.com for details
    • Reference Design with full programming file generation support for ESDK 1C6 board (QAR file)
    • Nios II Sample Application
      • Lin_Lout application without interrupt
    • Documentation
      • IP Core user guide
      • Hardware tutorial
Application
  • Embedded Applications
  • Home entertainment consumer electronics
Related Products

 
Audio Codec Snap On Board
Embedded System Development Kit (Cyclone FPGA)
CoreCommander Board (Cyclone III FPGA)
Logic Analyzer and Pattern Generator
Downloads

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