AC97 Controller

GDA's AC97 is an audio controller equipped with AC link interface and an 8-bit peripheral bus interface. This core provides a high quality audio solution in combination with audio codec and driver software.

The AC97 Controller is designed for easy integration into wide range of applications on most ASIC and FPGA technologies. The highly configurable, fully synchronous IP is designed to meet wide range of applications by reducing the time to market and cost of the application.

GDA's AC97 Controller IP is a cost-effective, end-to-end system validated solution that allows the licensees to easily migrate to FPGA, Gate array and Standard cell technologies optimally.

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* -Generally sold with GDA services only

Features
AC97 rev 2.1 compliant Fully synchronous design Supports 8/16/18/20 bit ADC/DAC resolution Supports playback of mono audio sample stream Supports low power, sleep state and wake up modes	Configurable FIFO depth and width PIO and DMA channels for FIFO data transfer Option to sample 1/2/4 samples per 32 bits 8 bit wide peripheral bus interface Loop back mode for test purpose

Features

AC97 rev 2.1 compliant

Fully synchronous design

  Supports 8/16/18/20 bit ADC/DAC resolution

  Supports playback of mono audio sample stream
  Supports low power, sleep state and wake up modes

  Configurable FIFO depth and width
  PIO and DMA channels for FIFO data transfer
  Option to sample 1/2/4 samples per 32 bits

  8 bit wide peripheral bus interface
  Loop back mode for test purpose