Users Guide
 Submit Documentation Feedback
 Contents
 100
 List of Figures
 Side
 List of Tables
 Submit Documentation Feedback
 Information About Cautions and Warnings
About This Manual How to Use This Manual
 Additional Documentation
Related Documentation From Texas Instruments
If You Need Assistance FCC Warning
Trademarks
 Pin Assignments and Terminal Functions
Description
 Introduction-PCM3793A/94A
Key Features
 Introduction-PCM3793A/94A
 PCM3793A/94A Terminal Functions
Pin Assignments and Terminal Functions
 DEM-DAI3793A/3794A EVM Description
DEM-DAI3793A/3794A EVM System Diagram
 SBAU127 -July
 Getting Started
 Unpacking the EVM
Electrostatic Discharge Warning
 EVM Configuration
Default Configuration
 Daughter Card #2 DEM-TRVC/LPC
Motherboard
 Set-Up Guide
 User Interface Panel
Basic Operating Set-Up
Software Control and Operation
 Module Function Controls
Power On/Off Sequence
 HP COM/MONO HPC
Power Up/Down
 PCM3793A/94A Resistor 1257dh RES40 Resistor Value Control
Power Up/Down Time ms Options
 Setting Default Setting Record
Ramp Up Wave Form with Default
 Digital Out Mute Control Options
Gain Control for ADC Input Options
Digital Mute ATR Options
 Playback Function Menu Tab
Playback
 Speaker Gain Control Options
Headphone Gain Control Options
 ALC Automatic Level Control
Digital Attenuation ATP Options
Auto Level Control Record Options
 Source Options
Signal Processing
Output Options
Tone Control Options
 Click Apply to Filter 1 or Apply to Filter
3D Effect Options
 15. Notch Filter Characteristic Model
 Zero Cross Control Options
DAC Oversampling Control Options
De-Emphasis Filter Options
High-Pass Filter Options
 18. Analog Path Function Menu Tab
Analog Path
 D2S Select Options
Analog Input Options
Analog Mixer Options
Mic Boost Options
 Audio Interface Setting 2 Options
Audio Interface Setting 1 Options
PG5 Gain and PG6 Gain Options
Audio Interface
 HP COM Short Detection Options
HP Detection Options
HP Short Detection, L-Ch HP Detection, R-Ch
Speaker Short Detection, L-Ch Speaker Short Detection, R-Ch
 Digital Amplifier
4 LC89052T DIR Digital Audio I/F Receiver Control Window
 24. Register Setting History Window
Register Setting History
 25. Opening and Modifying a .csv File
Modifying a .csv File
 Write function
Register Direct Access
Read function
 Daughter Card #2 DIR LC89052T and DIT DIT4096
Switches and Connectors
 Power-Supply Terminals for PCM3793A Power-Supply Pins
Main Power Supply and Regulator
Overview
Motherboard
 I/F Controller MSP430, TUSB3410
Audio I/O
 Analog Input and Output-Daughter Card #1
Daughter Card #1 PCM3793A
 Analog Output Configuration Daughter Card #1
 Audio Clock and Input Data Control Format-Daughter Card #2
Daughter Card #2 DIR LC89052T and DIT DIT4096
Analog Input and Output-Daughter Card #2
 Evaluation and Measurements
 Slave Mode Configuration With SYS-2722
Slave Mode With Audio Precision SYS-2722 Default Setting
 Jumper Configuration for Slave Mode Default
 Master Mode Configuration With SYS-2722
Master Mode with Audio Precision SYS-2722
 Jumper Configuration for Master Mode
 Combined Master and Slave Modes With PSIA-2722
Combined Master and Slave Mode Configuration with SYS-2722
 Jumper Configuration for Combined Master and Slave Modes
Measurements for Dynamic Characteristics
 Ω Headphone Output Inserted in Headphone Jack J6
Digital-to-Analog D/A Performance
D/A Line Output Parameters
 Analog-to-Digital A/D Performance
Speaker Output Power Performance
A/D Line Input Parameters
Stereo Speaker Output Parameters
 LC Low-Pass Filter
Speaker Output Filter Configuration
 Result BPZ Zero Data Input Result -60dB Input
Amplitude Versus Frequency Performance
4.1 A/D Spectrum
 11. D/A Amplitude vs Frequency
4.2 D/A Spectrum
 PCM3793A/94A
Connection Diagram for Practical Applications
 16. Recommended Ferrite Bead Filter for Speaker Output
Filter Consideration for Speaker Output
 Schematic, PCB Layout, and Bill of Materials
 PCM3793A DEM-PCM3793RHB-A Connector Daughter Card #1
Schematics
 PCM3793A DEM-PCM3793RHB-A Daughter Card #1
 PCM3793A DEM-PCM3793RHB-A Board Layout-Silkscreen Side
Printed Circuit Board Layout
 PCM3793A DEM-PCM3793RHB-A Board Layout-Component Side
 PCM3793A DEM-PCM3793RHB-A Board Layout-Inner Layer
 PCM3793A DEM-PCM3793RHB-A Board Layout-Inner Layer
 PCM3793A DEM-PCM3793RHB-A Board Layout-Solder Side
 Bill of Materials
Component List
 Submit Documentation Feedback
 Appendix a
 Table A-1. .csv Files
Reference .csv Files
 Figure A-1. Line Output and Headphone Output
Related Signal Flow Diagrams
 Figure A-2. Headphone Output with Sound Effect
 Figure A-3. Cap-Less Headphone Output
 Figure A-4. Headphone Output with Line Input AIN2L/AIN2R
 0dB
 AIN3L MUX1 AIN2L AIN1L D2S AIN1R MUX2 AIN3R AIN2R
 Figure A-7. Stereo Speaker Output
 Figure A-8. Mono Speaker Output
 Figure A-9. Speaker Output with Line Input AIN2L/AIN2R
 Figure A-10. Speaker Output with Mono Mic Input AIN1L, +20dB
 +20dB
 Figure A-12. Line Input AIN2L/AIN2R to Headphone Output
 Figure A-13. Mono Line Input AIN2L to Headphone Output
 Figure A-14. Mono Mic Input AIN1L, +20dB to Headphone Output
 +20dB
 Figure A-16. Mono Mic Input AIN1L, +20dB to Speaker Output
 Figure A-17. Line Input AIN3L/AIN3R
 Figure A-18. Mic Input AIN1L/AIN1R, +20dB
 Figure A-19. Mic Input AIN1L/AIN1R, +20dB with ALC
 Figure A-20. Mono Mic Input AIN1L, +20dB
 Figure A-21. Mono Mic Input AIN1L, +20dB with ALC
 Figure A-22. Mono Diff Mic Input AIN1L/AIN1R, +20dB
 Figure A-23. Mono Diff Mic Input AIN1L/AIN1R, +20dB with ALC
 Interfacing to DSPs
Figure A-24. Slave Mode Operation
 Package Information
Table A-2. Recommended Power-On Sequence for PCM3793A
Register Control with DSP Interface
 FCC Warning
Evaluation BOARD/KIT Important Notice
 Important Notice