Texas Instruments DEM-DAI3793A Manual de usuario

DEM-DAI3793A/3794A EVM

User's Guide

July 2007 AIP Consumer Audio—TI Japan

SBAU127

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Contents

Preface ............................................................................................................................... 9

1 Description .............................................................................................................. 111.1 Introduction—PCM3793A/94A .................................................................................. 121.1.1 Key Features .............................................................................................. 121.2 Pin Assignments and Terminal Functions...................................................................... 141.3 DEM-DAI3793A/3794A EVM Description ...................................................................... 15

2 Getting Started ......................................................................................................... 172.1 Electrostatic Discharge Warning ................................................................................ 182.2 Unpacking the EVM ............................................................................................... 182.3 Default Configuration ............................................................................................. 19

3 Set-Up Guide ........................................................................................................... 213.1 Basic Operating Set-Up .......................................................................................... 223.2 Software Control and Operation ................................................................................. 223.2.1 User Interface Panel ..................................................................................... 223.2.2 Power On/Off Sequence ................................................................................ 233.2.3 Module Function Controls ............................................................................... 233.2.4 LC89052T (DIR: Digital Audio I/F Receiver) Control Window ...................................... 393.2.5 Register Setting History ................................................................................. 403.2.6 Register Direct Access .................................................................................. 42

4 Switches and Connectors .......................................................................................... 434.1 Overview ............................................................................................................ 444.2 Motherboard ....................................................................................................... 444.3 Daughter Card #1 (PCM3793A) ................................................................................. 464.4 Daughter Card #2 (DIR: LC89052T and DIT: DIT4096) ..................................................... 48

5 Evaluation and Measurements ................................................................................... 495.1 Slave Mode With Audio Precision SYS-2722 (Default Setting) ............................................. 505.2 Master Mode with Audio Precision SYS-2722 ................................................................. 525.3 Combined Master and Slave Modes With PSIA-2722 ........................................................ 545.4 Measurements for Dynamic Characteristics ................................................................... 555.4.1 Digital-to-Analog (D/A) Performance .................................................................. 565.4.2 Analog-to-Digital (A/D) Performance .................................................................. 575.4.3 Speaker Output Power Performance .................................................................. 575.4.4 Amplitude Versus Frequency Performance ........................................................... 595.5 Connection Diagram for Practical Applications ................................................................ 615.5.1 Filter Consideration for Speaker Output ............................................................... 62

6 Schematic, PCB Layout, and Bill of Materials ............................................................... 636.1 Schematics ......................................................................................................... 646.2 Printed Circuit Board Layout ..................................................................................... 666.3 Component List .................................................................................................... 71

A Reference .csv Files, Interfacing to DSPs, and Package Information ............................... 73A.1 Reference .csv Files .............................................................................................. 74A Related Signal Flow Diagrams ......................................................................... 75

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A.2 Interfacing to DSPs ............................................................................................... 98A.2.1 Register Control with DSP Interface ................................................................... 99A.3 Package Information .............................................................................................. 99

Important Notices ............................................................................................................. 100

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List of Figures

1-1 PCM3793A Pin Assignments ............................................................................................. 141-2 PCM3794A Pin Assignments ............................................................................................. 141-3 DEM-DAI3793A/3794A EVM System Diagram ......................................................................... 152-1 EVM Configuration ......................................................................................................... 192-2 EVM and External Equipment Connections ............................................................................ 203-1 User Interface Window .................................................................................................... 223-2 Communication Error Message .......................................................................................... 233-3 Power On/Off Sequence Function Buttons ............................................................................. 233-4 Internal Module Power Up/Down Function Menu Tab ................................................................. 243-5 Ramp Up Wave Form with Default Setting ............................................................................. 263-6 Ramp Down Wave Form with Default Setting .......................................................................... 263-7 Record Function Menu Tab ............................................................................................... 263-8 EVM Modules Corresponding to Record Function ..................................................................... 273-9 Playback Function Menu Tab ............................................................................................. 283-10 Modules Corresponding to Playback Function ......................................................................... 293-11 ALC Function Menu Tab .................................................................................................. 303-12 ALC Compression and Expansion Characteristics .................................................................... 303-13 Signal Processing 1 Function Menu Tab ................................................................................ 313-14 Three-Band Tone Control (Bass, Mid, Treble) ......................................................................... 313-15 Notch Filter Characteristic Model ........................................................................................ 333-16 Example of Measured Notch Filter Characteristic ..................................................................... 333-17 Signal Processing 2 Function Menu Tab ................................................................................ 343-18 Analog Path Function Menu Tab ......................................................................................... 353-19 Modules Corresponding to Analog Path Function ..................................................................... 363-20 Audio Interface Function Menu Tab ..................................................................................... 373-21 Status Detect Function Menu Tab ....................................................................................... 383-22 Digital Amplifier Function Menu Tab ..................................................................................... 393-23 LC89052 Interface Format Selection Options .......................................................................... 393-24 Register Setting History Window ......................................................................................... 403-25 Opening and Modifying a .csv File ....................................................................................... 413-26 Register Direct Access Dialog ............................................................................................ 424-1 EVM Configuration ......................................................................................................... 444-2 Analog Input Configuration (Daughter Card #1) ........................................................................ 464-3 Analog Output Configuration (Daughter Card #1) ..................................................................... 475-1 Slave Mode Configuration With SYS-2722 ............................................................................. 505-2 Jumper Configuration for Slave Mode (Default) ........................................................................ 515-3 Master Mode Configuration With SYS-2722 ............................................................................ 525-4 Jumper Configuration for Master Mode ................................................................................. 535-5 Combined Master and Slave Mode Configuration with SYS-2722 .................................................. 545-6 Jumper Configuration for Combined Master and Slave Modes ...................................................... 555-7 Speaker Output Filter Configuration ..................................................................................... 585-8 A/D Amplitude vs Frequency Result: BPZ (Zero Data) Input ......................................................... 595-9 A/D Amplitude vs Frequency Result: –60dB Input ..................................................................... 595-10 A/D Amplitude vs Frequency Result: –1dB Input ...................................................................... 595-11 D/A Amplitude vs Frequency Result: BPZ (Zero Data) Input ......................................................... 605-12 D/A Amplitude vs Frequency Result: –60dB Input ..................................................................... 605-13 D/A Amplitude vs Frequency Result: 0dB Input ........................................................................ 605-14 D/A Amplitude vs Frequency Result: Wide Range to 130kHz, BPZ (Zero Data) Input ........................... 605-15 Basic Connection Diagram ................................................................................................ 615-16 Recommended Ferrite Bead Filter for Speaker Output ............................................................... 625-17 Connection for Headphone Output and Insertion Detection .......................................................... 626-1 PCM3793A DEM-PCM3793RHB-A Connector (Daughter Card #1) ................................................ 64

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6-2 PCM3793A DEM-PCM3793RHB-A (Daughter Card #1) .............................................................. 656-3 PCM3793A DEM-PCM3793RHB-A Board Layout—Silkscreen Side ................................................ 666-4 PCM3793A DEM-PCM3793RHB-A Board Layout—Component Side .............................................. 676-5 PCM3793A DEM-PCM3793RHB-A Board Layout—Inner Layer 2 .................................................. 686-6 PCM3793A DEM-PCM3793RHB-A Board Layout—Inner Layer 3 .................................................. 696-7 PCM3793A DEM-PCM3793RHB-A Board Layout—Solder Side .................................................... 70A-1 Line Output and Headphone Output ..................................................................................... 75A-2 Headphone Output with Sound Effect ................................................................................... 76A-3 Cap-Less Headphone Output ............................................................................................. 77A-4 Headphone Output with Line Input (AIN2L/AIN2R) .................................................................... 78A-5 Headphone Output with Mono Mic Input (AIN1L, +20dB) ............................................................ 79A-6 Headphone Output with Mono Diff Mic Input (AIN1L/AIN1R, +20dB) ............................................... 80A-7 Stereo Speaker Output .................................................................................................... 81A-8 Mono Speaker Output ..................................................................................................... 82A-9 Speaker Output with Line Input (AIN2L/AIN2R) ........................................................................ 83A-10 Speaker Output with Mono Mic Input (AIN1L, +20dB) ................................................................ 84A-11 Speaker Output with Mono Diff Mic Input (AIN1L/AIN1R, +20dB) ................................................... 85A-12 Line Input (AIN2L/AIN2R) to Headphone Output ...................................................................... 86A-13 Mono Line Input (AIN2L) to Headphone Output ....................................................................... 87A-14 Mono Mic Input (AIN1L, +20dB) to Headphone Output ............................................................... 88A-15 Mono Diff Mic Input (AIN1L/AIN1R, +20dB) to Headphone Output ................................................. 89A-16 Mono Mic Input (AIN1L, +20dB) to Speaker Output ................................................................... 90A-17 Line Input (AIN3L/AIN3R) ................................................................................................. 91A-18 Mic Input (AIN1L/AIN1R, +20dB)......................................................................................... 92A-19 Mic Input (AIN1L/AIN1R, +20dB) with ALC ............................................................................. 93A-20 Mono Mic Input (AIN1L, +20dB) .......................................................................................... 94A-21 Mono Mic Input (AIN1L, +20dB) with ALC .............................................................................. 95A-22 Mono Diff Mic Input (AIN1L/AIN1R, +20dB) ............................................................................ 96A-23 Mono Diff Mic Input (AIN1L/AIN1R, +20dB) with ALC ................................................................ 97A-24 Slave Mode Operation ..................................................................................................... 98A-25 Master Mode Operation ................................................................................................... 98

6List of Figures SBAU127 – July 2007Submit Documentation Feedback

List of Tables

1-1 PCM3793A/94A Terminal Functions ..................................................................................... 143-1 Register Mapping for Power Up/Down Module ......................................................................... 243-2 PCM3793A/94A Resistor 125(7dh) RES[4:0]: Resistor Value Control .............................................. 253-3 PCM3793A/94A Resistor 125(7dh) PMT[1:0]: Power Up/Down Time Control and Register Direct Access ... 254-1 Main Power Supply and Regulator ....................................................................................... 444-2 Power-Supply Terminals for PCM3793A Power-Supply Pins ....................................................... 444-3 Audio I/O .................................................................................................................... 454-4 I/F Controller (MSP430 ,TUSB3410 ).................................................................................... 454-5 Analog Input and Output—Daughter Card #1 .......................................................................... 464-6 Analog Input and Output—Daughter Card #2 .......................................................................... 484-7 Audio Clock and Input Data Control Format—Daughter Card #2 .................................................... 485-1 D/A Line Output Parameters .............................................................................................. 565-2 16 ΩHeadphone Output Inserted in Headphone Jack J6 ............................................................. 565-3 A/D Line Input Parameters ................................................................................................ 575-4 Stereo Speaker Output Parameters ..................................................................................... 575-5 Recommended External Parts for Basic Connection Diagram ....................................................... 616-1 Bill of Materials ............................................................................................................. 71A-1 .csv Files .................................................................................................................... 74A-2 Recommended Power-On Sequence for PCM3793A ................................................................. 99

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SYS-2722, PSIA-2722 are registered trademarks of Audio Precision, Inc.SPI is a trademark of Motorola, Inc.I

S, I

C are trademarks of NXP Semiconductors.TOSLINK is a trademark of Toshiba Corporation.All other trademarks are the property of their respective owners.

List of Tables8 SBAU127 – July 2007Submit Documentation Feedback

Preface

SBAU127 – July 2007

Read This First

About This Manual

This document provides the information needed to set up and operate the DEM-DAI3793A/3794A EVMevaluation module, a test platform for the 16-bit, low-power PCM3793A /PCM3794A stereo audio codecs.For a more detailed description of the PCM3793A/94A products, please refer to the product data sheetsavailable from the Texas Instruments web site at http://www.ti.com . Support documents are listed in thesections of this guide entitled Related Documentation from Texas Instruments and AdditionalDocumentation .

How to Use This ManualThroughout this document, the abbreviation EVM and the term evaluation module are synonymous withthe DEM-DAI3793A/3794A EVM. The abbreviation PCM3793A/94A refers to the PCM3793A/94A family ofdevices. Unless specifically noted, the information presented in this manual applies to both the PCM3793Aand the PCM3794A.

Chapter 1 gives an overview of the PCM3793A/94A family of stereo audio coder/decoder devices(codecs). The PCM3793A/94A block diagram and primary features are also discussed.

Chapter 2 provides general information regarding EVM handling and unpacking, absolute operatingconditions, and the default switch and jumper configuration. This chapter also discusses the EVMcontroller software

Chapter 3 is the hardware setup guide for the EVM, providing all of the necessary information needed toconfigure the EVM switches and jumpers for product evaluation.

Chapter 4 reviews the DEM-DAI3793A/3794A EVM switch and jumper configuration.

Chapter 5 discusses how to set up jumpers on the DEM-DAI3793A/3794A EVM motherboard forperformance evaluation using an audio analyzer. It also presents the process for measuring dynamiccharacteristics and provides example characteristic data.

Chapter 6 includes the EVM electrical schematics, printed circuit board (PCB) layout, and the bill ofmaterials.

Information About Cautions and WarningsThis document contains caution statements.

CAUTION

This is an example of a caution statement. A caution statement describes asituation that could potentially damage your software or equipment.

The information in a caution or a warning is provided for your protection. Please read each caution andwarning carefully.

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www.ti.com

Related Documentation From Texas Instruments

Related Documentation From Texas InstrumentsThe following documents provide information regarding Texas Instruments integrated circuits used in theassembly of the DEM-DAI3793A/3794A EVM. These documents are available from the TI web site . Thelast character of the literature number corresponds to the document revision that is current at the time ofthe writing of this User’s Guide. Newer revisions may be available from the TI web site athttp://www.ti.com/ or call the Texas Instruments Literature Response Center at (800) 477–8924 or theProduct Information Center at (972) 644–5580. When ordering, identify the document(s) by both title andliterature number.

Data Sheet Literature NumberPCM3793A /PCM3794A Product SLAS529Adata sheetDIT4096 Product data sheet SBOS225B

Additional Documentation

The following document provides information regarding selected non-TI components that are used in theassembly of the DEM-DAI3793A/3794A EVM. This document is available from the correspondingmanufacturer.

Device/Document ManufacturerLC89052 Sanyo Corporation

If You Need Assistance

If you have questions regarding either the use of this evaluation module or the information contained in theaccompanying documentation, please contact the Texas Instruments Product Information Center at (972)644–5580 or visit the TI web site at www.ti.com .

FCC Warning

This equipment is intended for use in a laboratory test environment only. It generates, uses, and canradiate radio frequency energy and has not been tested for compliance with the limits of computingdevices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonableprotection against radio frequency interference. Operation of this equipment in other environments maycause interference with radio communications, in which case the user at his own expense is required totake whatever measures may be required to correct this interference.

Trademarks

All trademarks are the property of their respective owners.

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