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Texas Instruments DEM-DAI3793A manual 100

Models: DEM-DAI3793A

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A.2	Interfacing to DSPs	98
	A.2.1 Register Control with DSP Interface	99
A.3	Package Information	99
Important Notices		100

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Contents

SBAU127 –July 2007

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Texas Instruments DEM-DAI3793A manual 100

Contents

Users Guide Submit Documentation Feedback Contents 100 List of Figures Side List of Tables Submit Documentation Feedback About This Manual How to Use This Manual Information About Cautions and WarningsRelated Documentation From Texas Instruments Additional DocumentationIf You Need Assistance FCC Warning TrademarksDescription Pin Assignments and Terminal FunctionsKey Features Introduction-PCM3793A/94AIntroduction-PCM3793A/94A Pin Assignments and Terminal Functions PCM3793A/94A Terminal FunctionsDEM-DAI3793A/3794A EVM System Diagram DEM-DAI3793A/3794A EVM DescriptionSBAU127 -July Getting Started Electrostatic Discharge Warning Unpacking the EVMDefault Configuration EVM ConfigurationMotherboard Daughter Card #2 DEM-TRVC/LPCSet-Up Guide Software Control and Operation Basic Operating Set-UpUser Interface Panel Power On/Off Sequence Module Function ControlsPower Up/Down HP COM/MONO HPCPower Up/Down Time ms Options PCM3793A/94A Resistor 1257dh RES40 Resistor Value ControlRamp Up Wave Form with Default Setting Default Setting RecordDigital Mute ATR Options Gain Control for ADC Input OptionsDigital Out Mute Control Options Playback Playback Function Menu TabHeadphone Gain Control Options Speaker Gain Control OptionsAuto Level Control Record Options Digital Attenuation ATP OptionsALC Automatic Level Control Signal Processing Source OptionsOutput Options Tone Control Options3D Effect Options Click Apply to Filter 1 or Apply to Filter15. Notch Filter Characteristic Model DAC Oversampling Control Options Zero Cross Control OptionsDe-Emphasis Filter Options High-Pass Filter OptionsAnalog Path 18. Analog Path Function Menu TabAnalog Input Options D2S Select OptionsAnalog Mixer Options Mic Boost OptionsAudio Interface Setting 1 Options Audio Interface Setting 2 OptionsPG5 Gain and PG6 Gain Options Audio InterfaceHP Detection Options HP COM Short Detection OptionsHP Short Detection, L-Ch HP Detection, R-Ch Speaker Short Detection, L-Ch Speaker Short Detection, R-Ch4 LC89052T DIR Digital Audio I/F Receiver Control Window Digital AmplifierRegister Setting History 24. Register Setting History WindowModifying a .csv File 25. Opening and Modifying a .csv FileRead function Register Direct AccessWrite function Switches and Connectors Daughter Card #2 DIR LC89052T and DIT DIT4096Main Power Supply and Regulator Power-Supply Terminals for PCM3793A Power-Supply PinsOverview MotherboardAudio I/O I/F Controller MSP430, TUSB3410Daughter Card #1 PCM3793A Analog Input and Output-Daughter Card #1Analog Output Configuration Daughter Card #1 Analog Input and Output-Daughter Card #2 Daughter Card #2 DIR LC89052T and DIT DIT4096Audio Clock and Input Data Control Format-Daughter Card #2 Evaluation and Measurements Slave Mode With Audio Precision SYS-2722 Default Setting Slave Mode Configuration With SYS-2722Jumper Configuration for Slave Mode Default Master Mode with Audio Precision SYS-2722 Master Mode Configuration With SYS-2722Jumper Configuration for Master Mode Combined Master and Slave Mode Configuration with SYS-2722 Combined Master and Slave Modes With PSIA-2722Measurements for Dynamic Characteristics Jumper Configuration for Combined Master and Slave ModesD/A Line Output Parameters Digital-to-Analog D/A PerformanceΩ Headphone Output Inserted in Headphone Jack J6 Speaker Output Power Performance Analog-to-Digital A/D PerformanceA/D Line Input Parameters Stereo Speaker Output ParametersSpeaker Output Filter Configuration LC Low-Pass Filter4.1 A/D Spectrum Amplitude Versus Frequency PerformanceResult BPZ Zero Data Input Result -60dB Input 4.2 D/A Spectrum 11. D/A Amplitude vs FrequencyConnection Diagram for Practical Applications PCM3793A/94AFilter Consideration for Speaker Output 16. Recommended Ferrite Bead Filter for Speaker OutputSchematic, PCB Layout, and Bill of Materials Schematics PCM3793A DEM-PCM3793RHB-A Connector Daughter Card #1PCM3793A DEM-PCM3793RHB-A Daughter Card #1 Printed Circuit Board Layout PCM3793A DEM-PCM3793RHB-A Board Layout-Silkscreen SidePCM3793A 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 Component List Bill of MaterialsSubmit Documentation Feedback Appendix a Reference .csv Files Table A-1. .csv FilesRelated Signal Flow Diagrams Figure A-1. Line Output and Headphone OutputFigure 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 Figure A-24. Slave Mode Operation Interfacing to DSPsRegister Control with DSP Interface Table A-2. Recommended Power-On Sequence for PCM3793APackage Information Evaluation BOARD/KIT Important Notice FCC WarningImportant Notice