Cirrus-logic CRD49530-USB Manual de usuario

©Copyright 2008 Cirrus Logic, Inc. SEP 2008DS705RD3CRD49530 -USBCustomer Reference DesignPreliminary Product InformationThis document contains informa

1-5 Copyright 2008 Cirrus Logic DS705RD3CRD49530-USB System DescriptionCRD49530-USB User’s ManualAudio input data to the DSP can come from any of the

CRD49530-USB System DescriptionCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 1-6but Cirrus recommends using serial flash for all syst

1-7 Copyright 2008 Cirrus Logic DS705RD3CRD49530-USB System DescriptionCRD49530-USB User’s ManualThe CS4953xx always masters its output clocks (DSP_SC

CRD49530-USB System DescriptionCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 1-8The CS4953xx always masters its output clocks (DSP_SC

1-9 Copyright 2008 Cirrus Logic DS705RD3Other Useful InformationCRD49530-USB User’s ManualThe CS4953xx always masters its output clocks (DSP_SCLK/DSP_

Information Shipped with the Evaluation KitCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 1-10 1.5.5 DSP Software Utility Information•

2-1 Copyright 2008 Cirrus Logic DS705RD3Introducing the CRD49530-USB Customer Reference KitCRD49530--USB User’s ManualChapter 2Introduction to CRD4953

Introducing the CRD49530-USB Customer Reference KitCRD49530--USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 2-2Note: Not all features of the CS

2-3 Copyright 2008 Cirrus Logic DS705RD3Introducing the CRD49530-USB Customer Reference KitCRD49530--USB User’s ManualH. Coaxial S/PDIF Input JacksI.

Introducing the CRD49530-USB Customer Reference KitCRD49530--USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 2-4

DS705RD3 Copyright 2008 Cirrus Logic iiCRD49530-USB User’s ManualContacting Cirrus Logic SupportFor all product questions and inquiries contact a Cir

3-1 Copyright 2008 Cirrus Logic DS705RD3Installation, Setup, and Running First ApplicationCRD49530-USB User’s ManualChapter 3Installation and Setup fo

Installation, Setup, and Running First ApplicationCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 3-2 Figure 3-1. Front Panel Driver Se

3-3 Copyright 2008 Cirrus Logic DS705RD3Installation, Setup, and Running First ApplicationCRD49530-USB User’s Manual• Connect the other end of the opt

Installation, Setup, and Running First ApplicationCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 3-4 3.1.3 Connecting to a PC1. Connec

3-5 Copyright 2008 Cirrus Logic DS705RD3Installation, Setup, and Running First ApplicationCRD49530-USB User’s Manual Figure 3-5. Found New Hardware Wi

3-6 Copyright 2008 Cirrus Logic DS705RD3Installation, Setup, and Running First ApplicationCRD49530-USB User’s Manual 3.1.4 Running a Stereo PCM Applic

4-1 Copyright 2008 Cirrus Logic DS705RD3IntroductionCRD49530-USB User’s ManualChapter 4Programming the CRD49530-USB Board 4.1 IntroductionWith the exc

DS705RD3 Copyright 2008 Cirrus Logic 4-2Basic Application Download and System Configuration - PCM Pass-throughCRD49530-USB User’s Manual Figure 4-1.

4-3 Copyright 2008 Cirrus Logic DS705RD3Basic Application Download and System Configuration - PCM Pass-throughCRD49530-USB User’s Manual 4.2.1 System

Changing Audio Input SourceCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 4-4 4.3 Changing Audio Input SourceThe active audio input to

DS705RD3 Copyright 2008 Cirrus Logic iiiCRD49530-USB User’s ManualContentsFigures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-5 Copyright 2008 Cirrus Logic DS705RD3Changing Audio Input SourceCRD49530-USB User’s Manual 4.3.2 Analog Audio InputTo deliver data to the DSP via 6

Changing Audio Input SourceCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 4-6 4.3.4 DAI InputEach available audio source for the board

4-7 Copyright 2008 Cirrus Logic DS705RD3Changing Audio Output SourceCRD49530-USB User’s Manual 4.4 Changing Audio Output SourceThe audio output sectio

Programming the On-board Serial FlashCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 4-8This dialog allows the user to set the followin

5-1 Copyright 2008 Cirrus Logic DS705RD3IntroductionCRD49530-USB User’s ManualChapter 5CRD49530-USB Schematics 5.1 IntroductionThe schematics included

Detailed Schematic DescriptionsCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 5-2The input and output audio clocking domains are separ

5-3 Copyright 2008 Cirrus Logic DS705RD3Detailed Schematic DescriptionsCRD49530-USB User’s ManualThe CS8416 has 5 different S/PDIF inputs available to

Detailed Schematic DescriptionsCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 5-4Each output of the CS42448 has an output filter that

Obtaining Schematic UpdatesCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 5-5The DC input power jumper (J3) is used to bring the main

DS705RD3 Copyright 2008 Cirrus Logic 5-6Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-1. CRD49530-USB Block Diagram

iv Copyright 2008 Cirrus Logic DS705RD3 CRD49530-USB User’s Manual 5.2 Detailed Schematic Descriptions . . . . . . . . . . . . . . . . . . . . . . .

DS705RD3 Copyright 2008 Cirrus Logic 5-7Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-2. CS49953xx DSP on CRD49530-USB Board

DS705RD3 Copyright 2008 Cirrus Logic 5-8Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-3. SDRAM and Flash Block

DS705RD3 Copyright 2008 Cirrus Logic 5-9Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-4. S/PDIF Receiver

DS705RD3 Copyright 2008 Cirrus Logic 5-10Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-5. CS42448 CODEC

DS705RD3 Copyright 2008 Cirrus Logic 5-11Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-6. Input / Output Filters

DS705RD3 Copyright 2008 Cirrus Logic 5-12Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-7. MIC Pre-AMP

DS705RD3 Copyright 2008 Cirrus Logic 5-13Obtaining Schematic UpdatesCRD49530-USB User’s Manual Figure 5-8. Connectors and Power

Obtaining Schematic UpdatesCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 5-14§§

6-1 Copyright 2008 Cirrus Logic, DS705RD3Troubleshooting GuideCRD49530-USB User’s ManualChapter 6Troubleshooting 6.1 Troubleshooting GuideThis section

Revision HistoryCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 6-2 6.1.3 Audio is not Heard Problem: Audio cannot be heard.Possible ca

DS705RD3 Copyright 2008 Cirrus Logic vCRD49530-USB User’s Manual Figure 4-10. CRD49530 Comm Mode / Memory Usage ...

6-3 Copyright 2008 Cirrus Logic, DS705RD3Revision HistoryCRD49530-USB User’s Manual

CRD49530-USB Kit ContentsCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 1-1Chapter 1Kit Contents and Requirements 1.1 CRD49530-USB Kit

CRD49530-USB System DescriptionCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 1-2 1.2.2 Software Requirements• Cirrus Evaluation Softw

1-3 Copyright 2008 Cirrus Logic DS705RD3CRD49530-USB System DescriptionCRD49530-USB User’s Manual 1.3.1 Audio Inputs 1.3.1.1 Analog Line-level Inputs•

CRD49530-USB System DescriptionCRD49530-USB User’s ManualDS705RD3 Copyright 2008 Cirrus Logic 1-4 1.3.2.3 DC Power Input• Voltage Range: +9VDC TO +12V