Document Outline

• CK49x-4953xx/4970x4 User's Manual
  • Table of Contents
  • List of Figures
  • List of Tables
• 1 Customer Kit Contents and Requirements
  • 1.1 CK49x Customer Kit Contents
  • 1.2 Requirements
    • 1.2.1 PC Requirements
    • 1.2.2 Software Requirements
    • 1.2.3 Support Hardware Requirements
    • 1.2.4 Cabling Requirements
  • 1.3 CK49x System Description
    • 1.3.1 Audio Inputs
      • 1.3.1.1 Analog Line-level Inputs
      • 1.3.1.2 HDMI Digital Input
      • 1.3.1.3 Optical Digital Inputs
      • 1.3.1.4 Coaxial Digital Inputs
      • 1.3.1.5 I2S Digital Input
      • 1.3.1.6 Microphone Input
    • 1.3.2 Audio Outputs
      • 1.3.2.1 Main Analog Line-level Outputs
      • 1.3.2.2 Headphone Output
      • 1.3.2.3 Dual Zone Analog Line-level Outputs
      • 1.3.2.4 HDMI Digital Output
      • 1.3.2.5 Optical Digital Output
      • 1.3.2.6 I2S Digital Output
      • 1.3.2.7 I2S Digital Output (DAO Mux Output)
    • 1.3.3 DC Power Input
    • 1.3.4 USB Connector
    • 1.3.5 MCU Programming Header
    • 1.3.6 Reset button
    • 1.3.7 Buttons and Knobs
    • 1.3.8 DAO MUX Select Header
    • 1.3.9 DAI1 Audio Input Source Multiplexer
    • 1.3.10 DAI2 Audio Input Source Multiplexer
    • 1.3.11 CS495xxx/CS497xxx Audio DSP
    • 1.3.12 Debug Header
    • 1.3.13 CS2000 Clock Synthesizer
    • 1.3.14 CS42528 S/PDIF RX
    • 1.3.15 CS42528 Audio CODEC
    • 1.3.16 CS4344 DAC
    • 1.3.17 HDMI Recevier (RX)
    • 1.3.18 HDMI Transmitter (TX)
    • 1.3.19 Memory
    • 1.3.20 Audio Clocking
      • 1.3.20.1 Clock and Data Flow for ADC Input
      • 1.3.20.2 Clock and Data Flow for S/PDIF Input
      • 1.3.20.3 Clock and Data Flow for HDMI or ASIO Input Data Delivery
  • 1.4 DS898CK4Other Useful Information
    • 1.4.1 Web Sites
    • 1.4.2 DSP Information
    • 1.4.3 Board Information
    • 1.4.4 Audio CODEC Information
    • 1.4.5 DSP Software Utility Information
• 2 Introduction to CK49x Evaluation System
  • 2.1 Introducing the CK49x Evaluation System
  • 2.2 Identifying Components on the CK49x Evaluation System
    • 2.2.1 CDB49x Main Board Components
      • 2.2.1.1 CDB49x Main Board Components
    • 2.2.2 DC4953x Daughter Card
      • 2.2.2.1 DC4953x Daughter Card Components
      • 2.2.2.2 DC4970x4 Daughter Card Components
      • 2.2.2.3 DC4953x3 Daughter Card Components
• 3 Installation, Setup, and Running Application
  • 3.1 Installation, Setup, and Running First Application
    • 3.1.1 Board Software Installation
    • 3.1.2 Setting up the CK49x Evaluation Board
    • 3.1.3 Connecting to a PC
    • 3.1.4 Opening a Console Window from the Cirrus Device Manager
    • 3.1.5 Running a Stereo PCM Application on CK49x
    • 3.1.6 Downloading Other Applications
    • 3.1.7 Running a Multichannel PCM Application via HDMI
    • 3.1.8 Running a Stereo Analog Input Application
• 4 Programming the DSP on the CK49x Evaluation Board
  • 4.1 Introduction
  • 4.2 Basic Application Download and System Configuration - PCM Pass-through
    • 4.2.1 System Block
    • 4.2.2 Channel Remap of the DSP
  • 4.3 Changing Audio Input Source
    • 4.3.1 S/PDIF Audio Input
    • 4.3.2 Analog Audio Input
    • 4.3.3 HDMI Audio Input
    • 4.3.4 DAI Input
  • 4.4 Changing Audio Output Source
    • 4.4.1 DAO Output of the DSP
    • 4.4.2 Changing Serial Control Protocol (I2C‘ or SPI‘) / Memory Usage
  • 4.5 Programming the On-board Serial Flash
• 5 Running the CK49x Board in Standalone Mode
  • 5.1 Introduction
    • 5.1.1 Standalone Mode Setup
  • 5.2 System Boot-up
  • 5.3 Top-Level Description of the CK49x Evaluation System Buttons and Rotary Knob Functions
  • 5.4 Configuration Modes Details
    • 5.4.1 Status Display Mode
    • 5.4.2 Adjusting Audio Volume
    • 5.4.3 Selecting the Audio Source
    • 5.4.4 Selecting the Surround Sound Mode
    • 5.4.5 Selecting the Virtualizer Mode
    • 5.4.6 Selecting the Bass Management Mode
• 6 CK49x Schematics
  • 6.1 Obtaining Schematic Updates
    • 6.1.1 CK49x Daughter Card Schematics
      • 6.1.1.1 DC4953xx Daughter Card Modification
• 7 Troubleshooting
  • 7.1 Troubleshooting Guide
    • 7.1.1 Power LEDs
    • 7.1.2 Board not Recognized by PC
    • 7.1.3 Audio is not Heard
    • 7.1.4 Only Stereo Audio is Heard
• Appendix A Modification for the Serial Flash Chip Select Signal on DC4953x3
• Appendix B DAI I2S Play Back Header
  • B.1 DAI I2S Play Back Header
• Appendix C CDB49x Rev. A Rework for I2C Buffer on SCP_CLK
  • C.1 Modifications to Improve the Signal Integrity of I2C Communications
• Appendix D CDB49x Rev. A Rework for I2C Buffer on DBCK Signal
  • D.1 Modifications to Improve the Signal Integrity of Debugger Communications
• Revision History