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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 EVM
evaluation 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 sheets
available from the Texas Instruments web site at

http://www.ti.com

. Support documents are listed in the

sections of this guide entitled

Related Documentation from Texas Instruments

and

Additional

Documentation

.

How to Use This Manual

Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with
the DEM-DAI3793A/3794A EVM. The abbreviation PCM3793A/94A refers to the PCM3793A/94A family of
devices. Unless specifically noted, the information presented in this manual applies to both the PCM3793A
and 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 operating

conditions, and the default switch and jumper configuration. This chapter also discusses the EVM
controller software

Chapter 3

is the hardware setup guide for the EVM, providing all of the necessary information needed to

configure 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 for

performance evaluation using an audio analyzer. It also presents the process for measuring dynamic
characteristics and provides example characteristic data.

Chapter 6

includes the EVM electrical schematics, printed circuit board (PCB) layout, and the bill of

materials.

Information About Cautions and Warnings

This document contains caution statements.

CAUTION

This is an example of a caution statement. A caution statement describes a
situation 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 and
warning carefully.

SBAU127 – July 2007

Read This First

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Содержание DEM-DAI3793A

Страница 1: ...DEM DAI3793A 3794A EVM User s Guide July 2007 AIP Consumer Audio TI Japan SBAU127...

Страница 2: ...2 SBAU127 July 2007 Submit Documentation Feedback...

Страница 3: ...A 46 4 4 Daughter Card 2 DIR LC89052T and DIT DIT4096 48 5 Evaluation and Measurements 49 5 1 Slave Mode With Audio Precision SYS 2722 Default Setting 50 5 2 Master Mode with Audio Precision SYS 2722...

Страница 4: ...A 2 Interfacing to DSPs 98 A 2 1 Register Control with DSP Interface 99 A 3 Package Information 99 Important Notices 100 4 Contents SBAU127 July 2007 Submit Documentation Feedback...

Страница 5: ...ab 39 3 23 LC89052 Interface Format Selection Options 39 3 24 Register Setting History Window 40 3 25 Opening and Modifying a csv File 41 3 26 Register Direct Access Dialog 42 4 1 EVM Configuration 44...

Страница 6: ...no Speaker Output 82 A 9 Speaker Output with Line Input AIN2L AIN2R 83 A 10 Speaker Output with Mono Mic Input AIN1L 20dB 84 A 11 Speaker Output with Mono Diff Mic Input AIN1L AIN1R 20dB 85 A 12 Line...

Страница 7: ...45 4 4 I F Controller MSP430 TUSB3410 45 4 5 Analog Input and Output Daughter Card 1 46 4 6 Analog Input and Output Daughter Card 2 48 4 7 Audio Clock and Input Data Control Format Daughter Card 2 48...

Страница 8: ...Inc SPI is a trademark of Motorola Inc I2 S I2 C are trademarks of NXP Semiconductors TOSLINK is a trademark of Toshiba Corporation All other trademarks are the property of their respective owners Li...

Страница 9: ...res are also discussed Chapter 2 provides general information regarding EVM handling and unpacking absolute operating conditions and the default switch and jumper configuration This chapter also discu...

Страница 10: ...assembly of the DEM DAI3793A 3794A EVM This document is available from the corresponding manufacturer Device Document Manufacturer LC89052 Sanyo Corporation If You Need Assistance If you have question...

Страница 11: ...th microphone bias headphone and digital speaker All necessary connectors and circuitry are provided for interfacing to audio test systems and commercial audio equipment Topic Page 1 1 Introduction PC...

Страница 12: ...ded input with multiplexer mux Mono differential input Stereo programmable gain amplifier PGA Microphone amplifier 20dB and bias Analog Back End Stereo Mono line output with volume Stereo Mono headpho...

Страница 13: ...ain for analog inputs 0dB 20dB selectable for microphone input 0dB to 21dB gain for analog mixing Parameter settings for ALC Three band tone control and 3D sound High pass filter 4Hz 120Hz 240Hz Two s...

Страница 14: ...M3793ARHB PCM3794ARHB I O DESCRIPTION AGND 19 19 Ground for analog AIN1L 27 27 I Analog input 1 for L channel AIN1R 26 26 I Analog input 1 for R channel AIN2L 25 25 I Analog input 2 for L channel AIN2...

Страница 15: ...20 20 Analog power supply VCOM 18 18 Analog common voltage VDD 5 5 Power supply for digital core VIO 4 4 Power supply for digital I O VPA 12 12 Power supply for power amplifier The DEM DAI3793A 3794A...

Страница 16: ...Description 16 SBAU127 July 2007 Submit Documentation Feedback...

Страница 17: ...4A EVM handling and unpacking absolute operating conditions and a description of the factory default switch and jumper configuration Topic Page 2 1 Electrostatic Discharge Warning 18 2 2 Unpacking the...

Страница 18: ...strap at an approved ESD workstation CAUTION Failure to observe ESD handling procedures may result in damage to EVM components Upon opening the DEM DAI3793A 3794A EVM package please check to make sur...

Страница 19: ...nfiguration Figure 2 1 and Figure 2 2 illustrate the default EVM configuration and the default external equipment connection configuration respectively Figure 2 1 EVM Configuration SBAU127 July 2007 G...

Страница 20: ...793RHB A JP14 JP15 JP16 JP17 and JP19 these jumper pins should not be used For other jumper settings please refer to the chapter Switches and Connectors Daughter Card 2 DEM TRVC LPC SW001 Set Opt or C...

Страница 21: ...e This chapter discusses how to set up the DEM DAI3793A 3794A EVM and describes the EVM software Topic Page 3 1 Basic Operating Set Up 22 3 2 Software Control and Operation 22 SBAU127 July 2007 Set Up...

Страница 22: ...DIF cable optical or coaxial Analog input output RCA Step 3 Connect microphone speakers headphone an audio amplifier or measurement equipment if necessary Step 4 Confirm that jumpers CN103 CN107 are s...

Страница 23: ...easily start EVM operation instead of powering up the module manually Figure 3 3 Power On Off Sequence Function Buttons Note If pressing the Power On Off sequence button has no effect check to see th...

Страница 24: ...n mono out buffer Reg 73 bit4 PHPC Mixer L ch XML Analog mixer L ch Reg 72 bit0 PMXL Mixer R ch XMR Analog mixer R ch Reg 72 bit1 PMXR HP Line out L ch HPL Headphone Line out amp L ch Reg 73 bit2 PHPL...

Страница 25: ...p or down time without directly accessing the registers users can select a VCOM capacitor value and time in the group box The ramp up waveform with the default setting is shown in Figure 3 5 and the r...

Страница 26: ...ns Figure 3 5 Ramp Up Wave Form with Default Figure 3 6 Ramp Down Wave Form with Setting Default Setting Figure 3 7 shows the Record function tab options Figure 3 7 Record Function Menu Tab 26 Set Up...

Страница 27: ...o 70dB 6dB to 70dB 6dB to 70dB 6dB to 70dB SPL SPR 1 2 3 Mic Bias Gain Control for ADC Input Options Figure 3 8 shows the EVM modules that correspond to the record function Figure 3 8 EVM Modules Corr...

Страница 28: ...ti com 3 2 3 3 Playback Digital Out Mute Control Options The Playback function is shown in Figure 3 9 Figure 3 9 Playback Function Menu Tab 28 Set Up Guide SBAU127 July 2007 Submit Documentation Feedb...

Страница 29: ...6 7 8 9 Headphone Gain Control Options Figure 3 10 shows the corresponding modules for the playback function Figure 3 10 Modules Corresponding to Playback Function Headphone Gain Control Options Move...

Страница 30: ...the DAC digital input Figure 3 11 shows the Automatic Level Control ALC function menu tab Figure 3 11 ALC Function Menu Tab Auto Level Control Record Options Select Recovery time and Attack time using...

Страница 31: ...pplied to either the DAC or the ADC This option also allows users to choose an audio source Output Options Select the Source drop down menu to choose between a stereo or mono configuration The output...

Страница 32: ...tor group box Click Apply to Filter 1 or Apply to Filter 2 The calculated coefficient will then appear in the a1 and a2 edit box Finally click the Update button for each Notch filter coefficient To co...

Страница 33: ...3 15 illustrates the notch filter characteristic All users can select any frequencies that can be used by the application system based on the notch filter coefficient theory discussed here Figure 3 15...

Страница 34: ...to enable the zero crossing function When zero crossing is enabled digital attenuation and the analog volume level change at the zero crossing point to avoid an audible zipper noise De Emphasis Filter...

Страница 35: ...i com 3 2 3 7 Analog Path High Pass Filter Options Figure 3 18 shows the Analog Path Function menu Figure 3 18 Analog Path Function Menu Tab SBAU127 July 2007 Set Up Guide 35 Submit Documentation Feed...

Страница 36: ...6 17 11 10 Switches SW1 to SW6 Analog Input Options Figure 3 19 illustrates the modules that correspond to the analog path function Figure 3 19 Modules Corresponding to Analog Path Function Analog Inp...

Страница 37: ...e audio data format for the DAC input and ADC output and set the mode as Master or Slave Bit length is fixed at 16 bits Audio Interface Setting 2 Options Use this section of the menu when working in M...

Страница 38: ...ction recovery is set to Release the status bit will automatically reset to 0 HP Short Detection L Ch HP Detection R Ch These sections of the menu enable or disable HP short detection for the left cha...

Страница 39: ...te however that the signal to noise ratio SNR performance of the speaker output is affected by this function Figure 3 23 illustrates the LC89052 Interface format choices Figure 3 23 LC89052 Interface...

Страница 40: ...allowing users to identify a particular sequence setting that was sent to the device under test Any operating sequence settings can be saved as a comma separated value csv file with an identifiable n...

Страница 41: ...e 3 25 use the left row for resistor addresses and the right row for resistor values Figure 3 25 Opening and Modifying a csv File A sleep line can be inserted for implementing an interval or wait time...

Страница 42: ...C mode To read the value enter the Address number in hex code format in the left box and click the Read button Data corresponding to the address appears Write function This window also enables the us...

Страница 43: ...iews the DEM DAI3793A 3794A EVM switch and jumper configuration Topic Page 4 1 Overview 44 4 2 Motherboard 44 4 3 Daughter Card 1 PCM3793A 46 4 4 Daughter Card 2 DIR LC89052T and DIT DIT4096 48 SBAU12...

Страница 44: ...gh Table 4 4 list the connector references for the DEM DAI3793A 3794A EVM motherboard Table 4 1 Main Power Supply and Regulator Connectors Main Power Supply and Regulator CN101 6V to 10V Main Power Su...

Страница 45: ...s should be removed CN306 BNC connector to provide external clock for LC89052T DIR S PDIF receiver on Daughter Card or PCM3793 directly as E SCK CN307 2x5 header pins System clock and bit clock select...

Страница 46: ...aughter Card 1 J1 Stereo microphone input J2 Monaural microphone input J3 Speaker output terminal for L ch J4 Speaker output terminal for R ch J5 Headphone output Cap less J6 Headphone output JP5 Syst...

Страница 47: ...Ch SPOLN SPOLP SPORN SPORP HPCOM MONO HPOR LOR HPOL LOL J6 HPOUT J4 SPOUT R Ch J3 SPOUT L Ch PCM3793A Daughter Card 1 PCM3793A Figure 4 3 Analog Output Configuration Daughter Card 1 CAUTION Do not ins...

Страница 48: ...H level Channel status data can be set up if needed It is also possible to connect a microcontroller SW005 DIP switch Sets the DIT4096 system clock and data format Note that the OFF state of this swit...

Страница 49: ...measuring dynamic characteristics is then presented along with example characteristic data Topic Page 5 1 Slave Mode With Audio Precision SYS 2722 Default Setting 50 5 2 Master Mode with Audio Precisi...

Страница 50: ...oard are the default device settings Simple evaluation using the Audio Precision SYS 2722 as shown in Figure 5 1 is easily managed Figure 5 1 Slave Mode Configuration With SYS 2722 To put the DEM DAI3...

Страница 51: ...SCLK R BCK R BCK R LRCK R LRCK RX DATA RX DATA E SCK SCK T SCLK BCK T BCK from U003 DIR LC89052T on Daughter Card 2 from U003 DIR LC89052T on Daughter Card 2 CN308 CN320 Slave Mode With Audio Precisio...

Страница 52: ...in this situation DIN to the PCM3793A is also invalid because DIR LC89052T does not receive clocks LC89052T cannot work in slave mode Therefore any analog output from the DAC is invalid because there...

Страница 53: ...CLK R SCLK R BCK R BCK R LRCK R LRCK RX DATA RX DATA E SCK SCK T SCLK BCK T BCK from U003 DIR LC89052T on Daughter Card 2 from U003 DIR LC89052T on Daughter Card 2 CN308 CN320 Master Mode with Audio P...

Страница 54: ...M DAI3793A 3794A EVM can provide evaluation for both slave and master modes of the PCM3793A at the same time without setup jumpers on the motherboard if the user has access to the PSIA 2722 analyzer F...

Страница 55: ...ic range DR and channel separation These graphs also specify the test environment and measurement conditions required in order to meet typical performance values defined in the product data sheet For...

Страница 56: ...7 volume 1dB SNR BPZ input 22Hz 20kHz SPCL 16 93 1dB 93 0dB A weighting DR 60dBFS input 22Hz 20kHz SPCL 16 93 4dB 93 1dB A weighting To obtain the performance results shown in Table 5 1 and Table 5 2...

Страница 57: ...A 0dB The bundled csv file automatically sets the device to these conditions See Appendix A Line Input AIN3L AIN3R for a signal flow block diagram Measurement path 07 Stereo Speaker Output csv file 07...

Страница 58: ...ughter Card 2 provides an LC low pass filter LPF to obtain a clean analog signal from the pulse width modulated PWM output of the speaker output This configuration is shown in Figure 5 7 Additionally...

Страница 59: ...z 1dB Input Measurements for Dynamic Characteristics Measurement path 17 Line Input AIN3L AIN3R csv file 17_ADC_Line_Input csv Note that an unweighted filter and an AES17 bandwidth of 22Hz to 20kHz sh...

Страница 60: ...ements for Dynamic Characteristics Measurement path 01 Line Output and Headphone Output csv file 01_DAC_Line_Output_and_Headphone_Output csv Note that an unweighted filter and an AES17 bandwidth of 22...

Страница 61: ...ns The PCM3793A 94A Daughter Card has been configured to measure dynamic audio performance by common audio analyzer equipment In a practical application such as portable audio player or cellular phone...

Страница 62: ...chip bead will be a suitable low pass filter to the speaker output see Figure 5 16 Figure 5 17 describes recommended connections for headphone output and insertion detection Refer to the product data...

Страница 63: ...hysical layout information for the DEM DAI3793A 3794A EVM The bill of materials is included for component and manufacturer reference Topic Page 6 1 Schematics 64 6 2 Printed Circuit Board Layout 66 6...

Страница 64: ...igure 6 1 and Figure 6 2 illustrate the schematics for the DEM DAI3793A 3794A EVM Figure 6 1 PCM3793A DEM PCM3793RHB A Connector Daughter Card 1 64 Schematic PCB Layout and Bill of Materials SBAU127 J...

Страница 65: ...www ti com Schematics Figure 6 2 PCM3793A DEM PCM3793RHB A Daughter Card 1 SBAU127 July 2007 Schematic PCB Layout and Bill of Materials 65 Submit Documentation Feedback...

Страница 66: ...DEM DAI3793A 3794A EVM Note Board layouts are not to scale These figures are intended to show how the board is laid out they are not intended to be used for manufacturing DEM DAI3793A 3794A EVM PCBs F...

Страница 67: ...www ti com Printed Circuit Board Layout Figure 6 4 PCM3793A DEM PCM3793RHB A Board Layout Component Side SBAU127 July 2007 Schematic PCB Layout and Bill of Materials 67 Submit Documentation Feedback...

Страница 68: ...www ti com Printed Circuit Board Layout Figure 6 5 PCM3793A DEM PCM3793RHB A Board Layout Inner Layer 2 68 Schematic PCB Layout and Bill of Materials SBAU127 July 2007 Submit Documentation Feedback...

Страница 69: ...www ti com Printed Circuit Board Layout Figure 6 6 PCM3793A DEM PCM3793RHB A Board Layout Inner Layer 3 SBAU127 July 2007 Schematic PCB Layout and Bill of Materials 69 Submit Documentation Feedback...

Страница 70: ...www ti com Printed Circuit Board Layout Figure 6 7 PCM3793A DEM PCM3793RHB A Board Layout Solder Side Schematic PCB Layout and Bill of Materials 70 SBAU127 July 2007 Submit Documentation Feedback...

Страница 71: ...EV1HA010NR Panasonic C5 1 1 F 50V R3A 50V10M Elna R1 R2 2 2 2k CF1 4C 2 2k J KOA C11 C12 C15 4 2 2 F 50V R3A 50V22M Elna C16 C17 C18 2 220 F R3A 4V2200M Elna L1 L4 4 22 H 22R223 Newport Components JP5...

Страница 72: ...Schematic PCB Layout and Bill of Materials 72 SBAU127 July 2007 Submit Documentation Feedback...

Страница 73: ...nterfacing to DSPs and Package Information Topic Page A 1 Reference csv Files 74 A 2 Interfacing to DSPs 98 A 3 Package Information 99 SBAU127 July 2007 Reference csv Files Interfacing to DSPs and Pac...

Страница 74: ...20dB csv 07 Stereo Speaker Output 07_DAC_Stereo_Speaker_Output csv 08 Mono Speaker Output 08_DAC_Mono_Speaker_Output csv 09 Speaker Output with Line Input AIN2L AIN2R 09_DAC_Speaker_Output_with_Line_...

Страница 75: ...0dB 20dB Digital Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down...

Страница 76: ...Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no...

Страница 77: ...ital Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has...

Страница 78: ...er Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speak...

Страница 79: ...Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speaker...

Страница 80: ...tal Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speaker Outp...

Страница 81: ...igital Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A h...

Страница 82: ...Digital Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A...

Страница 83: ...ter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Spea...

Страница 84: ...r Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speake...

Страница 85: ...tal Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speaker Outp...

Страница 86: ...er Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speak...

Страница 87: ...ter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Spea...

Страница 88: ...r Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speake...

Страница 89: ...tal Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speaker Outp...

Страница 90: ...er Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speak...

Страница 91: ...gital Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A ha...

Страница 92: ...tal Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has...

Страница 93: ...Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no S...

Страница 94: ...ital Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has...

Страница 95: ...Filter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no S...

Страница 96: ...ilter Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Sp...

Страница 97: ...r Digital Filter Digital Filter Digital Filter MXL MXR HPOR HPOL COM VCOM ATP 0dB to 62dB Mute DGC 0dB 6dB 12dB 18dB Silent Pop Noise Controller Module of Possible Power Up Down PCM3794A has no Speake...

Страница 98: ...r DAC power up 49h of PCM3793A as noted in Table A 2 Example A 1 Slave Mode Operation Figure A 24 illustrates the proper configuration for slave mode operation Figure A 24 Slave Mode Operation Example...

Страница 99: ...t end ADL ADR D2S MCB PG1 2 5 6 power up 20 5711h Analog input MUX3 MUX4 select Analog input MUX1 MUX2 select 21 4F0Ch Analog input L ch PG3 volume 0dB 2 22 500Ch Analog input R ch PG4 volume 0dB 2 23...

Страница 100: ...duct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application enginee...

Страница 101: ...ce and is an unfair and deceptive business practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support...

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