Intel® 500 Series Chipset Family On-Package PCH Datasheet Volume 1

Datasheet

ID 631119
Date 13/07/2021 00:00:00
Public Content
Document Table of Contents

Intel® High Definition Audio Interface Capabilities

The Intel® HD Audio interface is an optional feature offering connections to the compatible codecs. The Intel® HD Audio compatible codecs are widely available from various vendors allowing PC platform OEM’s to choose them based on features, power, cost consideration. The audio codec can work with the in-box Intel® HD Audio driver software provided in various Operating Systems providing a seamless user experience. These Intel® HD Audio compatible codecs will be enumerated by the Intel® HD Audio driver software (if discovered over the Intel® HD Audio interface). Intel® HD Audio interface capabilities are listed as follows:

  • Two SDI signals to support two external codecs
  • Drives variable frequency (6 MHz to 24 MHz) BCLK to support:
    • SDO double pumped up to 48 Mb/s
    • SDIs single pumped up to 24 Mb/s
  • Provides cadence for 44.1 kHz-based sample rate output
  • Supports 1.8 V and 3.3 V I/O voltages
    • 1.8 V and 3.3 V drive strengths has separate programming.