Cirrus Logic CDB48500-USB Manuals

Manuals and User Guides for Cirrus Logic CDB48500-USB. We have 1 Cirrus Logic CDB48500-USB manual available for free PDF download: Manual

Cirrus Logic CDB48500-USB Manual

Cirrus Logic CDB48500-USB Manual (52 pages)

High-performance, 32-bit Audio Decoder DSP Family Evaluation kit

Brand: Cirrus Logic | Category: Media Converter | Size: 4 MB

Table of Contents

Table of Contents
3
Figures

5
Chapter 1. Introduction to the CRD48500-USB Evaluation Kit

7
- CDB48500-USB Kit Contents and Requirements
  7
Chapter 2. Board Setup and Installing the Evaluation Kit Software

11
- Introduction
  11
Chapter 3. CDB48500 System Description

17
- Figure 3-1. CDB48500 Block Diagram
  17
  - CDB48500 System Block Descriptions
    18
    
    Analog Line-Level Inputs
    18
    
    Analog Line-Level Outputs
    18
    
    Audio Inputs
    18
    
    Audio Outputs
    18
    
    Digital Coaxial Input
    18
    
    Digital Optical Input
    18
    
    Microphone Input
    18
    
    Control Header
    19
    
    DC Power Input
    19
    
    Headphone Output
    19
    
    On-Board Voltage Selection Headers
    19
    
    Optical Digital Output (PCM)
    19
    
    Audio Input Source Multiplexer Selection Headers
    20
    
    Cirrus Logic Cs485Xx Audio DSP
    20
    
    Audio Clocking
    21
    
    CS42448 Audio CODEC
    21
    
    Cs8416 S/Pdif Rx
    21
    
    Memory
    21
    
    Clock and Data Flow for up to 8 Channel ADC Inputs
    22
    
    Clock and Data Flow for S/PDIF Input
    23
    
    Figure 3-3. Simplified Clock and Data Flow for S/PDIF Input
    23
    
    Clock and Data Flow for CDB USB Master Card Source
    24
    
    Figure 3-4. CDB USB Master Card Clocking and Data Flow
    24
Chapter 4. Configuring the CDB48500

25
- Introduction
  25
- Basic Application Download and System Configuration for PCM Pass-Through
  25
Appendix A. Schematics

35
- Introduction
  35
  - Detailed Schematic Descriptions
    35
    
    Coyote DSP Core
    35
    
    CS48500 System Block Diagram
    35
    
    DSP Input Data Multiplexing
    35
    
    S/PDIF Receiver
    36
    
    Serial Flash Memory
    36
    
    A.1.1.1.6 Codec #1(CS42448)
    37
    
    Codec #1(CS42448
    37
    
    Codec #2 (CS42448
    37
    
    Codec 1 and Codec 2 Input Filters
    38
    
    Control Connector and Power
    38
    
    MIC and Pre-Amp
    38
    
    Output Filters & Headphone Output
    38
    
    Figure A-2. DSP Input Data Multiplexing
    41
    
    Figure A-3. DSP
    42
    
    Figure A-4. Serial Flash Memory
    43
    
    Figure A-5. SPDIF Receiver
    44
    
    Figure A-6. Codec #1(CS42448
    45
    
    Figure A-7. Codec #2 (CS42448
    46
    
    Figure A-8. Codec 1 and Codec 2 Input Filters
    47
    
    Figure A-9. Output Filters & Headphone Output
    48
    
    Figure A-10. MIC Preamp
    49
    
    Figure A-11. Control Connector and Power
    50
Appendix B. Troubleshooting Guide

51
- Intoduction
  51
  - Solutions to Possible Problems
    51
    
    CDB48500 Is Not Recognized by the PC
    51
    
    Power Leds Are Not Illuminated
    51
    
    Unable to Run a Stereo PCM Application
    51
Revision History

51

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