CDB48500-USB Cirrus Logic Inc, CDB48500-USB Datasheet - Page 4

• Manufacturer Part Number: CDB48500-USB
• Description: KIT USB EVALUATION FOR CDB48500
• Manufacturer: Cirrus Logic Inc

Specifications of CDB48500-USB

• Main Purpose: Audio, Audio Processing
• Embedded: No
• Utilized Ic / Part: CS485XX
• Primary Attributes: 32-Bit Audio Processor, I2C or SPI
• Secondary Attributes: Graphic User Interface, 12-ch Analog Audio Input & Outputs, Optical Out- S/PDIF
• Description/function: Audio A/D
• Operating Supply Voltage: 9 V to 12 V
• Product: Audio Modules
• Supply Current: 1 A
• For Use With/related Products: CS48520, CS48540, CS48560
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1284

CDB48500--USB Evaluation Kit Guide
Chapter 4. Configuring the CDB48500 ................................................................ 4-1
iv
Appendix A. Schematics..................................................................................... A-1
Appendix B. Troubleshooting Guide ................................................................. B-1
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
4.2 Basic Application Download and System Configuration for PCM Pass-through . . . . . . . .4-1
A.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
B.1 Intoduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
4.2.1 System Block..................................................................................................................4-2
4.2.2 Changing the Audio Input Source...................................................................................4-3
4.2.3 Changing Audio Output Configuration............................................................................4-5
4.2.4 Changing Serial Control Protocol (I
4.2.5 Headphone Output .........................................................................................................4-8
4.2.6 S/PDIF Transmitter.........................................................................................................4-9
A.1.1 Schematic Pages .......................................................................................................... A-1
B.1.1 Solutions to Possible Problems..................................................................................... B-1
3.1.11.2 Clock and Data Flow for S/PDIF Input.........................................................3-7
3.1.11.3 Clock and Data Flow for CDB USB Master Card Source ............................3-8
4.2.2.1 Audio In via S/PDIF .......................................................................................4-3
4.2.2.2 Audio In via 8-channel ADC...........................................................................4-3
4.2.2.3 Audio In via USB............................................................................................4-4
4.2.2.4 DAI Input of CS485xx ....................................................................................4-4
4.2.3.1 DAO Output of CS485xx................................................................................4-5
4.2.3.2 CS42448 DAC Properties..............................................................................4-6
A.1.1.1 Detailed Schematic Descriptions.................................................................. A-1
B.1.1.1 Power LEDs are Not illuminated .................................................................. B-1
B.1.1.2 CDB48500 is Not Recognized by the PC..................................................... B-1
B.1.1.3 Unable to Run a Stereo PCM Application .................................................... B-1
A.1.1.1.1 CS48500 System Block Diagram .................................................. A-1
A.1.1.1.2 DSP Input Data Multiplexing ......................................................... A-1
A.1.1.1.3 Coyote DSP Core .......................................................................... A-1
A.1.1.1.4 Serial Flash Memory ..................................................................... A-2
A.1.1.1.5 S/PDIF Receiver............................................................................. A-2
A.1.1.1.6 Codec #1(CS42448) ...................................................................... A-3
A.1.1.1.7 Codec #2 (CS42448) ..................................................................... A-3
A.1.1.1.8 Codec 1 and Codec 2 Input Filters ................................................ A-4
A.1.1.1.9 Output Filters & Headphone Output .............................................. A-4
A.1.1.1.10 Mic and Pre-Amp ......................................................................... A-4
A.1.1.1.11 Control Connector and Power ..................................................... A-4
©
Copyright 2008 Cirrus Logic, Inc.
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C or SPI)................................................................4-7
DS784DB1