Texas Instruments DEM-DAI3793A User Manual
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DEM-DAI3793A/3794AEVM

User's Guide

July 2007

AIP Consumer Audio—TIJapan

SBAU127

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Contents

Preface ...............................................................................................................................

 

 

 

9

1

Description

..............................................................................................................

 

11

 

1.1

Introduction—PCM3793A/94A ..................................................................................

 

12

 

 

1.1.1 ..............................................................................................

Key Features

 

12

 

1.2

Pin Assignments ......................................................................and Terminal Functions

 

14

 

1.3

DEM-DAI3793A/3794A ......................................................................EVM Description

 

15

2

Getting Started .........................................................................................................

 

17

 

2.1

Electrostatic ................................................................................Discharge Warning

 

18

 

2.2

Unpacking ...............................................................................................the EVM

 

18

 

2.3

Default .............................................................................................Configuration

 

19

3

Set-Up Guide ...........................................................................................................

 

21

 

3.1

Basic Operating ..........................................................................................Set-Up

 

22

 

3.2

Software .................................................................................Control and Operation

 

22

 

 

3.2.1 .....................................................................................

User Interface Panel

 

22

 

 

3.2.2 ................................................................................

Power On/Off Sequence

 

23

 

 

3.2.3 ...............................................................................

Module Function Controls

 

23

 

 

3.2.4 ......................................LC89052T (DIR: Digital Audio I/F Receiver) Control Window

 

39

 

 

3.2.5 .................................................................................

Register Setting History

 

40

 

 

3.2.6 ..................................................................................

Register Direct Access

 

42

4

Switches and ..........................................................................................Connectors

 

43

 

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

5

Evaluation and ...................................................................................Measurements

 

49

 

5.1

Slave .............................................Mode With Audio PrecisionSYS-2722(Default Setting)

 

50

 

5.2

Master .................................................................Mode with Audio Precision SYS-2722

 

52

 

5.3

Combined ........................................................Master and Slave Modes With PSIA-2722

 

54

 

5.4

Measurements ...................................................................for Dynamic Characteristics

 

55

 

 

5.4.1 ..................................................................

Digital - to - Analog (D/A) Performance

 

56

 

 

5.4.2 ..................................................................

Analog - to - Digital (A/D) Performance

 

57

 

 

5.4.3 ..................................................................Speaker Output Power Performance

 

57

 

 

5.4.4 ...........................................................Amplitude Versus Frequency Performance

 

59

 

5.5

Connection ................................................................Diagram for Practical Applications

 

61

 

 

5.5.1 ...............................................................Filter Consideration for Speaker Output

 

62

6

Schematic, ...............................................................PCB Layout, and Bill of Materials

 

63

 

6.1

Schematics .........................................................................................................

 

64

 

6.2

Printed .....................................................................................Circuit Board Layout

 

66

 

6.3

Component ....................................................................................................List

 

71

A

Reference .csv ...............................Files, Interfacing to DSPs, and Package Information

 

73

 

A.1

Reference ...............................................................................................csv Files

 

74

 

 

A .........................................................................

Related Signal Flow Diagrams

 

75

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Contents

3

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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

4

Contents

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List of Figures

1-1

PCM3793A Pin Assignments .............................................................................................

 

14

1-2

PCM3794A Pin Assignments .............................................................................................

 

14

1-3

DEM-DAI3793A/3794A EVM System Diagram.........................................................................

 

15

2-1

EVM Configuration .........................................................................................................

 

19

2-2

EVM and External Equipment Connections ............................................................................

 

20

3-1

User Interface Window ....................................................................................................

 

22

3-2

Communication Error Message ..........................................................................................

 

23

3-3

Power On/Off Sequence Function Buttons .............................................................................

 

23

3-4

Internal Module Power Up/Down Function Menu Tab.................................................................

 

24

3-5

Ramp Up Wave Form with Default Setting .............................................................................

 

26

3-6

Ramp Down Wave Form with Default Setting ..........................................................................

 

26

3-7

Record Function Menu Tab ...............................................................................................

 

26

3-8

EVM Modules Corresponding to Record Function.....................................................................

 

27

3-9

Playback Function Menu Tab.............................................................................................

 

28

3-10

Modules Corresponding to Playback Function .........................................................................

 

29

3-11

ALC Function Menu Tab ..................................................................................................

 

30

3-12

ALC Compression and Expansion Characteristics ....................................................................

 

30

3-13

Signal Processing 1 Function Menu Tab................................................................................

 

31

3-14

Three-Band Tone Control (Bass, Mid, Treble) .........................................................................

 

31

3-15

Notch Filter Characteristic Model ........................................................................................

 

33

3-16

Example of Measured Notch Filter Characteristic .....................................................................

 

33

3-17

Signal Processing 2 Function Menu Tab................................................................................

 

34

3-18

Analog Path Function Menu Tab .........................................................................................

 

35

3-19

Modules Corresponding to Analog Path Function .....................................................................

 

36

3-20

Audio Interface Function Menu Tab .....................................................................................

 

37

3-21

Status Detect Function Menu Tab .......................................................................................

 

38

3-22

Digital Amplifier Function Menu Tab.....................................................................................

 

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

4-2

Analog Input Configuration (Daughter Card #1)........................................................................

 

46

4-3

Analog Output Configuration (Daughter Card #1) .....................................................................

 

47

5-1

Slave Mode Configuration With SYS-2722 .............................................................................

 

50

5-2

Jumper Configuration for Slave Mode (Default)........................................................................

 

51

5-3

Master Mode Configuration With SYS-2722............................................................................

 

52

5-4

Jumper Configuration for Master Mode .................................................................................

 

53

5-5

Combined Master and Slave Mode Configuration with SYS-2722 ..................................................

 

54

5-6

Jumper Configuration for Combined Master and Slave Modes ......................................................

 

55

5-7

Speaker Output Filter Configuration .....................................................................................

 

58

5-8

A/D Amplitude vs Frequency Result: BPZ (Zero Data) Input.........................................................

 

59

5-9

A/D Amplitude vs Frequency Result: –60dB Input.....................................................................

 

59

5-10

A/D Amplitude vs Frequency Result: –1dB Input ......................................................................

 

59

5-11

D/A Amplitude vs Frequency Result: BPZ (Zero Data) Input.........................................................

 

60

5-12

D/A Amplitude vs Frequency Result: –60dB Input.....................................................................

 

60

5-13

D/A Amplitude vs Frequency Result: 0dB Input........................................................................

 

60

5-14

D/A Amplitude vs Frequency Result: Wide Range to 130kHz, BPZ (Zero Data) Input ...........................

 

60

5-15

Basic Connection Diagram................................................................................................

 

61

5-16

Recommended Ferrite Bead Filter for Speaker Output ...............................................................

 

62

5-17

Connection for Headphone Output and Insertion Detection ..........................................................

 

62

6-1

PCM3793A DEM-PCM3793RHB-AConnector (Daughter Card #1)................................................

 

64

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6-2

PCM3793A DEM-PCM3793RHB-A (Daughter Card #1)..............................................................

 

 

65

6-3

PCM3793A DEM-PCM3793RHB-ABoardLayout—Silkscreen

Side................................................

66

6-4

PCM3793A DEM-PCM3793RHB-ABoardLayout—Component

Side ..............................................

67

6-5

PCM3793A DEM-PCM3793RHB-ABoardLayout—Inner

Layer 2 ..................................................

68

6-6

PCM3793A DEM-PCM3793RHB-ABoardLayout—Inner

Layer 3 ..................................................

69

6-7

PCM3793A DEM-PCM3793RHB-ABoardLayout—Solder

Side ....................................................

70

A-1

Line Output and Headphone Output.....................................................................................

 

 

75

A-2

Headphone Output with Sound Effect ...................................................................................

 

 

76

A-3

Cap-Less Headphone Output.............................................................................................

 

 

77

A-4

Headphone Output with Line Input (AIN2L/AIN2R)....................................................................

 

 

78

A-5

Headphone Output with Mono Mic Input (AIN1L, +20dB) ............................................................

 

 

79

A-6

Headphone Output with Mono Diff Mic Input (AIN1L/AIN1R, +20dB) ...............................................

80

A-7

Stereo Speaker Output ....................................................................................................

 

 

81

A-8

Mono 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 Input (AIN2L/AIN2R) to Headphone Output ......................................................................

 

 

86

A-13

Mono Line Input (AIN2L) to Headphone Output .......................................................................

 

 

87

A-14

Mono Mic Input (AIN1L, +20dB) to Headphone Output ...............................................................

 

 

88

A-15

Mono Diff Mic Input (AIN1L/AIN1R, +20dB) to Headphone Output .................................................

89

A-16

Mono Mic Input (AIN1L, +20dB) to Speaker Output ...................................................................

 

 

90

A-17

Line Input (AIN3L/AIN3R) .................................................................................................

 

 

91

A-18

Mic Input (AIN1L/AIN1R, +20dB).........................................................................................

 

 

92

A-19

Mic Input (AIN1L/AIN1R, +20dB) with ALC .............................................................................

 

 

93

A-20

Mono Mic Input (AIN1L, +20dB)..........................................................................................

 

 

94

A-21

Mono Mic Input (AIN1L, +20dB) with ALC ..............................................................................

 

 

95

A-22

Mono Diff Mic Input (AIN1L/AIN1R, +20dB) ............................................................................

 

 

96

A-23

Mono Diff Mic Input (AIN1L/AIN1R, +20dB) with ALC ................................................................

 

 

97

A-24

Slave Mode Operation .....................................................................................................

 

 

98

A-25

Master Mode Operation ...................................................................................................

 

 

98

6

List of Figures

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List of Tables

1-1

PCM3793A/94A Terminal Functions.....................................................................................

 

14

3-1

Register Mapping for Power Up/Down Module.........................................................................

24

3-2

PCM3793A/94A Resistor 125(7dh) RES[4:0]: Resistor Value Control ..............................................

25

3-3

PCM3793A/94A Resistor 125(7dh) PMT[1:0]: Power Up/Down Time Control and Register Direct Access ...

25

4-1

Main Power Supply and Regulator.......................................................................................

 

44

4-2

Power-Supply Terminals for PCM3793A Power-Supply Pins .......................................................

44

4-3

Audio I/O ....................................................................................................................

 

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—DaughterCard #2....................................................

48

5-1

D/A Line Output Parameters..............................................................................................

 

56

5-2

16Ω Headphone Output Inserted in Headphone Jack J6.............................................................

56

5-3

A/D Line Input Parameters................................................................................................

 

57

5-4

Stereo Speaker Output Parameters .....................................................................................

 

57

5-5

Recommended External Parts for Basic Connection Diagram .......................................................

61

6-1

Bill of Materials .............................................................................................................

 

71

A-1

.csv Files ....................................................................................................................

 

74

A-2

Recommended Power-On Sequence for PCM3793A .................................................................

99

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SYS-2722,PSIA-2722are registered trademarks of Audio Precision, Inc.

SPI is a trademark of Motorola, Inc.

I2S, I2C are trademarks of NXP Semiconductors.

TOSLINK is a trademark of Toshiba Corporation.

All other trademarks are the property of their respective owners.

8

List of Tables

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Preface

SBAU127 – July 2007

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About This Manual

This document provides the information needed to set up and operate the DEM-DAI3793A/3794AEVM evaluation module, a test platform for the16-bit,low-powerPCM3793A/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 athttp://www.ti.com. Support documents are listed in the sections of this guide entitledRelated Documentation from Texas Instruments andAdditional Documentation.

How to Use This Manual

Throughout this document, the abbreviation EVM and the termevaluation module are synonymous with theDEM-DAI3793A/3794AEVM. The abbreviationPCM3793A/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 theDEM-DAI3793A/3794AEVM switch and jumper configuration.

Chapter 5 discusses how to set up jumpers on theDEM-DAI3793A/3794AEVM 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.

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www.ti.com

Related Documentation From Texas Instruments

Related Documentation From Texas Instruments

The following documents provide information regarding Texas Instruments integrated circuits used in the assembly of the DEM-DAI3793A/3794AEVM. These documents are available from theTI web site. The last character of the literature number corresponds to the document revision that is current at the time of the 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)477–8924or the Product Information Center at (972)644–5580.When ordering, identify the document(s) by both title and literature number.

Data Sheet

Literature Number

 

 

PCM3793A/PCM3794A Product

SLAS529A

data sheet

 

DIT4096 Product data sheet

SBOS225B

Additional Documentation

The following document provides information regarding selected non-TIcomponents that are used in the assembly of theDEM-DAI3793A/3794AEVM. This document is available from the corresponding manufacturer.

Device/Document

Manufacturer

 

 

LC89052

Sanyo Corporation

If You Need Assistance

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

FCC Warning

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

Trademarks

All trademarks are the property of their respective owners.

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