Contents
Users Guide
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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
Software Control and Operation
Basic Operating Set-Up
User Interface Panel
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 Mute ATR Options
Gain Control for ADC Input Options
Digital Out Mute Control Options
Playback Function Menu Tab
Playback
Speaker Gain Control Options
Headphone Gain Control Options
Auto Level Control Record Options
Digital Attenuation ATP Options
ALC Automatic Level Control
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
Read function
Register Direct Access
Write 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
Analog Input and Output-Daughter Card #2
Daughter Card #2 DIR LC89052T and DIT DIT4096
Audio Clock and Input Data Control Format-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
D/A Line Output Parameters
Digital-to-Analog D/A Performance
Ω Headphone Output Inserted in Headphone Jack J6
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
4.1 A/D Spectrum
Amplitude Versus Frequency Performance
Result BPZ Zero Data Input Result -60dB Input
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
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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
Register Control with DSP Interface
Table A-2. Recommended Power-On Sequence for PCM3793A
Package Information
FCC Warning
Evaluation BOARD/KIT Important Notice
Important Notice