Texas Instruments TLV320AIC3101EVM Manuel utilisateur

User's Guide

SLAU219A–August 2007–Revised January 2014

TLV320AIC3101EVM and TLV320AIC3101EVM-PDK

This User's Guide describes the characteristics, operation, and use of the TLV320AIC3101EVM, both by

itself and as part of the TLV320AIC3101EVM-PDK. This evaluation module (EVM) is a complete stereo

audio codec with several inputs and outputs, extensive audio routing, mixing, and effects capabilities. A

complete circuit description, schematic diagram, and bill of materials are included.

The following related documents are available through the Texas Instruments web site at www.ti.com.

Table 1. EVM-Compatible Device Data Sheets

Device Literature Number

TLV320AIC3101 SLAS520

TAS1020B SLES025

REG1117-3.3 SBVS001

TPS767D318 SLVS209

SN74LVC125A SCAS290

SN74LVC1G125 SCES223

SN74LVC1G07 SCES296

Contents

1 EVM Overview ............................................................................................................... 3

2 EVM Description and Basics .............................................................................................. 3

3 TLV320AIC3101EVM-PDK Setup and Installation ..................................................................... 8

4 TLV320AIC3101EVM Software .......................................................................................... 10

Appendix A EVM Connector Descriptions ................................................................................... 34

Appendix B TLV320AIC3101EVM Schematic ............................................................................... 38

Appendix C TLV320AIC3101EVM Layout Views ........................................................................... 40

Appendix D TLV320AIC3101EVM Bill of Materials ......................................................................... 43

Appendix E USB-MODEVM Schematic ...................................................................................... 44

Appendix F USB-MODEVM Layout Views .................................................................................. 46

Appendix G USB-MODEVM Bill of Materials ................................................................................ 48

Appendix H USB-MODEVM Protocol ......................................................................................... 50

List of Figures

1 TLV320AIC3101EVM-PDK Block Diagram ............................................................................. 4

2 Default Software Screen .................................................................................................. 9

3 Device Selection Window ................................................................................................ 10

4 Default Configuration Tab ................................................................................................ 12

5 Audio Input/ADC Tab ..................................................................................................... 13

6 Bypass Paths .............................................................................................................. 14

7 Audio Interface Tab ...................................................................................................... 15

8 Clocks Tab ................................................................................................................. 16

9 AGC Tab ................................................................................................................... 18

10 Left AGC Settings ......................................................................................................... 19

Microsoft, Windows are registered trademarks of Microsoft Corporation.

SPI is a trademark of Motorola, Inc.

VISA, LabVIEW are trademarks of National Instruments Corporation.

SLAU219A–August 2007–Revised January 2014 TLV320AIC3101EVM and TLV320AIC3101EVM-PDK

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11 Advanced................................................................................................................... 19

12 Filters Tab ................................................................................................................. 20

13 ADC High-Pass Filters ................................................................................................... 21

14 ADC High-Pass Filter Settings .......................................................................................... 21

15 DAC Filters ................................................................................................................. 22

16 De-emphasis Filters....................................................................................................... 22

17 Enabling Filters ........................................................................................................... 23

18 Shelf Filters ................................................................................................................ 23

19 EQ Filters .................................................................................................................. 24

20 Analog Simulation Filters ................................................................................................ 24

21 Preset Filters .............................................................................................................. 25

22 User Filters ................................................................................................................ 25

23 3-D Effect Settings ........................................................................................................ 26

24 Output Stage Configuration Tab ........................................................................................ 27

25 DAC/Line Outputs Tab ................................................................................................... 29

26 High-Power Outputs Tab ................................................................................................ 31

27 Command Line Interface Tab ........................................................................................... 32

28 File Menu .................................................................................................................. 33

29 TLV320AIC3101EVM Schematic........................................................................................ 38

30 TLV320AIC3101EVM Schematic Interface ............................................................................ 39

31 TLV320AIC3101EVM Assembly Layer ................................................................................. 40

32 TLV320AIC3101EVM Top Layer ........................................................................................ 40

33 TLV320AIC3101EVM Layer 3 ........................................................................................... 41

34 TLV320AIC3101EVM Layer 4 ........................................................................................... 41

35 TLV320AIC3101EVM Silk Screen....................................................................................... 42

36 TLV320AIC3101EVM Bottom Layer .................................................................................... 42

37 USB-MODEVM Interface Board Schematic (1 of 2) .................................................................. 44

38 USB-MODEVM Interface Board Schematic (2 of 2) .................................................................. 45

39 USB-MODEVM Assembly Layer ........................................................................................ 46

40 USB-MODEVM Top Layer ............................................................................................... 46

41 USB-MODEVM Bottom Layer ........................................................................................... 47

List of Tables

1 EVM-Compatible Device Data Sheets ................................................................................... 1

2 USB-MODEVM SW2 Settings............................................................................................. 5

3 USB-MODEVM Jumpers................................................................................................... 5

4 List of Jumpers.............................................................................................................. 6

5 Analog Interface Pinout................................................................................................... 34

6 Alternate Analog Connectors ............................................................................................ 35

7 Digital Interface Pinout.................................................................................................... 36

8 Power Supply Pinout...................................................................................................... 37

9 TLV320AIC3101EVM Bill of Materials.................................................................................. 43

10 USB-MODEVM Bill of Materials ......................................................................................... 48

11 USB Control Endpoint HIDSETREPORT Request.................................................................... 50

12 Data Packet Configuration ............................................................................................... 50

13 GPIO Pin Assignments ................................................................................................... 53

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EVM Overview

1 EVM Overview

1.1 Features

The features of the TLV320AIC3101EVM include:

• Full-featured evaluation board for the TLV320AIC3101 stereo audio codec.

• Modular design for use with a variety of digital signal processor (DSP) and microcontroller interface

boards.

• USB connection to PC provides power, control, and streaming audio data for easy evaluation.

• An onboard microphone for ADC evaluation.

• Connection points for external control and digital audio signals for quick connection to other

circuits/input devices.

The TLV320AIC3101EVM-PDK is a complete evaluation kit, which includes a universal serial bus (USB)-

based motherboard and evaluation software for use with a personal computer running the Microsoft®

Windows®operating system (Windows 2000 or Windows XP).

1.2 Introduction

The TLV320AIC3101EVM uses the Texas Instruments modular EVM form factor, which allows direct

evaluation of the device performance and operating characteristics, and eases software development and

system prototyping. This EVM is compatible with the 5-6K Interface Board (SLAU104) and the HPA-MCU

Interface Board (SLAU106) from Texas Instruments and additional third-party boards which support TI's

modular EVM format.

The TLV320AIC3101EVM-PDK is a complete evaluation/demonstration kit, which includes a USB-based

motherboard called the USB-MODEVM Interface Board and evaluation software for use with a personal

computer (PC) running the Microsoft Windows operating systems.

The TLV320AIC3101EVM-PDK operates with one USB cable connecting to a PC. The USB connection

provides power, control, and streaming audio data to the EVM for reduced setup and configuration. The

EVM also allow external control signals, audio data, and power for advanced operation, which permits

prototyping and connecting to the rest of the development or system evaluation.

2 EVM Description and Basics

This section provides information on the analog input and output, digital control, power, and general

connection of the TLV320AIC3101EVM.

2.1 TLV320AIC3101EVM-PDK Block Diagram

The TLV320AIC3101EVM-PDK consists of two separate circuit boards, the USB-MODEVM and the

TLV320AIC3101EVM. The USB-MODEVM is built around a TAS1020B streaming audio USB controller

with an 8051-based core. The motherboard features two positions for modular EVMs, or one double-wide

serial modular EVM can be installed. The TLV320AIC3101EVM is one of the double-wide modular EVMs

that is designed to work with the USB-MODEVM.

The simple diagram of Figure 1 shows how the TLV320AIC3101EVM is connected to the USB-MODEVM.

The USB-MODEVM Interface Board is intended to be used in USB mode, where control of the installed

EVM is accomplished using the onboard USB controller device. Provision is made, however, for driving all

the data buses (I2C, SPI™, I2S/AC97) externally. The source of these signals is controlled by SW2 on the

USB-MODEVM. See Table 2 for details on the switch settings.

The USB-MODEVM has two EVM positions that allow for the connection of two small evaluation modules

or one larger evaluation module. The TLV320AIC3101EVM is designed to fit over both of the smaller

evaluation module slots as shown in Figure 1.

SLAU219A–August 2007–Revised January 2014 TLV320AIC3101EVM and TLV320AIC3101EVM-PDK

EVM Position 2

EVM Position 1

TLV320AIC310xEVM

Control Interface

TLV320AIC310x

TAS1020B

USB 8051

Microcontroller

USB

SPI, I C

I S, AC97

Audio Interface

USB-MODEVM

EVM Description and Basics

www.ti.com

2.1.1 USB-MODEVM Interface Board

The simple diagram in Figure 1 shows only the basic features of the USB-MODEVM Interface Board.

Because the TLV320AIC3101EVM is a double-wide modular EVM, it is installed with connections to both

EVM positions, which connects the TLV320AIC3101 digital control interface to the I2C port, realized by

using the TAS1020B, as well as the TAS1020B digital audio interface.

In the factory configuration, the board is ready to use with the TLV320AIC3101EVM. To view all the

functions and configuration options available on the USB-MODEVM board, see the USB-MODEVM

Interface Board schematic in Appendix E.

Figure 1. TLV320AIC3101EVM-PDK Block Diagram

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EVM Description and Basics

2.2 Default Configuration and Connections

2.2.1 USB-MODEVM

Table 2 provides a list of the SW2 settings on the USB-MODEVM. For use with the TLV320AIC3101EVM,

SW-2 positions 1 through 7 should be set to ON, whereas SW-2.8 should be set to OFF.

Table 2. USB-MODEVM SW2 Settings

SW-2 Switch

Number Label Switch Description

1 A0 USB-MODEVM EEPROM I2C address A0

ON: A0 = 0

OFF: A0 = 1

2 A1 USB-MODEVM EEPROM I2C address A1

ON: A1 = 0

OFF: A1 = 1

3 A2 USB-MODEVM EEPROM I2C address A2

ON: A2 = 0

OFF: A2 = 1

4 USB I2S I2S bus source selection

ON: I2S bus connects to TAS1020

OFF: I2S bus connects to USB-MODEVM J14

5 USB MCK I2S bus MCLK source selection

ON: MCLK connects to TAS1020

OFF: MCLK connects to USB-MODEVM J14

6 USB SPI SPI bus source selection

ON: SPI bus connects to TAS1020

OFF: SPI bus connects to USB-MODEVM J15

7 USB RST RST source selection

ON: EVM reset signal comes from TAS1020

OFF: EVM reset signal comes from USB-MODEVM J15

8 EXT MCK External MCLK selection

ON: MCLK signal is provided from USB-MODEVM J10

OFF: MCLK signal comes from either selection of SW2-5

Table 3 provides a list of USB-MODEVM jumpers found on the EVM.

Table 3. USB-MODEVM Jumpers

Jumper Default Position Jumper Description

JMP1 Installed Connects analog and digital +5 V supplies

JMP2 Open Connects analog and digital grounds

JMP3 Open Connects I2C SDA pull-up to IOVDD

JMP4 Open Connects I2C SCL pull-up to IOVDD

JMP5 2-3 When connecting 2-3, SS comes from FSX; when connecting 1-2, SS

comes from CNTL

JMP6 1-2 When connecting 1-2, +5 VD comes from USB; when connecting 2-3, +5

VD comes from U2

JMP7 1-2 When connecting 1-2, MCLKI comes from USB; when connecting 2-3,

MCLKI comes from AVSS/DVSS

JMP8 Open Connects resistor across EXT MCLK

Windows 7 Instructions

For use of the MODEVM motherboard on Windows 7 machines, the most up-to-date version of National

Instrument’s VISA™ drivers must be installed (ni.com). After this is installed, the USB-MODEVM Windows

XP/Windows Vista/Windows 7 driver must also be installed (SLAC521).

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EVM Description and Basics

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2.2.2 TLV320AIC3101 Jumper Locations

Table 4 provides a list of jumpers found on the EVM and their factory default conditions. After this is

installed, the USB-MODEVM Windows XP/Windows Vista/Windows 7 driver must also be installed

(SLAC521).

Table 4. List of Jumpers

Jumper Default Position Jumper Description

JMP1 Installed Connects analog and digital grounds

JMP2 Open Selects onboard EEPROM as firmware source

JMP3 Installed Connects onboard Mic to IN2L

JMP4 Installed Connects onboard Mic to IN2R

JMP5 Installed Provides a means of measuring IOVDD current

JMP6 Installed Provides a means of measuring DVDD current

JMP7 Installed Provides a means of measuring DVRDD current

JMP8 Installed Provides a means of measuring AVDD_DAC current

JMP9 Open When installed, allows the USB-MODEVM to hardware reset

the device under user control

JMP10 2-3 When connecting 2-3, mic bias comes from the MICBIAS pin

on the device; when connecting 1-2, mic bias is supplied from

the power supply through a resistor, which the user must

install

JMP11 Installed When installed, shorts across the output capacitor on

HPLOUT; remove this jumper if using AC-coupled output drive

JMP12 Installed When installed, shorts HPLCOM and HPRCOM. Use only if

these signals are set to constant VCM

JMP13 Installed When installed, shorts across the output capacitor on

HPLCOM; remove this jumper if using AC-coupled output drive

JMP14 Installed When installed, shorts across the output capacitor on

HPROUT; remove this jumper if using AC-coupled output drive

JMP15 Installed When installed, shorts across the output capacitor on

HPRCOM; remove this jumper if using AC-coupled output

drive

JMP16 2-3 When connecting 2-3, IOVDD is set to +3.3 VD; when

connecting 1-2, IOVDD and DVDD are shorted at +1.8 VD

2.3 Analog Signal Connections

2.3.1 Analog Inputs

The analog inputs to the EVM can be connected through two different methods. The analog input sources

can be applied directly to J1 (top or bottom side) or through the analog headers (J6-8 and J14) around the

edge of the board. The connection details of each header/connector can be found in Appendix A.

2.3.2 Analog Output

The analog outputs to the EVM can be connected through two different methods. The analog outputs are

available from the J1 and J2 (top or bottom) or they may be accessed through J9, J10, J11, J12, and J13

at the edges of the board. The connection details can be found in Appendix A.

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EVM Description and Basics

2.4 Digital Signal Connections

2.4.1 Digital Inputs and Outputs

The digital inputs and outputs of the EVM can be monitored through J4 and J5. If external signals need to

be connected to the EVM, digital inputs should be connected via J14 and J15 on the USB-MODEVM and

the SW2 switch should be changed accordingly (see Section 2.2.1). The connector details are available in

Section A.2.

2.4.2 Digital Controls

The digital control signals can be applied directly to J4 and J5 (top or bottom side). The modular

TLV320AIC3101EVM also can be connected directly to a DSP interface board, such as the 5-6K Interface

Board or the HPA-MCU Interface Board, or to the USB-MODEVM Interface Board if purchased as part of

the TLV320AIC3101EVM-PDK. See the product folders on the TI Web site for these evaluation modules

or the TLV320AIC3101 for a current list of compatible interface and/or accessory boards.

2.5 Power Connections

The TLV320AIC3101EVM can be powered independently when being used in stand-alone operation or by

the USB-MODEVM when it is plugged onto the motherboard.

2.5.1 Stand-Alone Operation

When used as a stand-alone EVM, power is applied to J3 directly; ensure that the supplies are referenced

to the appropriate grounds on that connector.

CAUTION

Verify that all power supplies are within the safe operating limits shown in the

TLV320AIC3101 data sheet (SLAS520) before applying power to the EVM.

J3 provides connection to the common power bus for the TLV320AIC3101EVM. Power is supplied on the

pins listed in Table 8.

The TLV320AIC3101EVM-PDK motherboard (the USB-MODEVM Interface board) supplies power to J3 of

the TLV320AIC3101EVM. Power for the motherboard is supplied either through its USB connection or via

terminal blocks on that board.

SLAU219A–August 2007–Revised January 2014 TLV320AIC3101EVM and TLV320AIC3101EVM-PDK

TLV320AIC3101EVM-PDK Setup and Installation

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2.5.2 USB-MODEVM Operation

The USB-MODEVM Interface Board can be powered from several different sources:

• USB

• 6-Vdc to 10-Vdc ac/dc external wall supply (not included)

• Laboratory power supply

When powered from the USB connection, JMP6 should have a shunt from pins 1–2 (this is the default

factory configuration). When powered from 6 Vdc to 10 Vdc, either through the J8 terminal block or J9

barrel jack, JMP6 should have a shunt installed on pins 2–3. If power is applied in any of these ways,

onboard regulators generate the required supply voltages and no further power supplies are necessary.

If laboratory supplies are used to provide the individual voltages required by the USB-MODEVM Interface

Board, JMP6 should have no shunt installed. Voltages then are applied to J2 (+5 VA), J3 (+5 VD), J4

(+1.8 VD), and J5 (+3.3 VD). The +1.8 VD and +3.3 VD can also be generated on the board by the

onboard regulators from the +5-VD supply; to enable this configuration, the switches on SW1 need to be

set to enable the regulators by placing them in the ON position (lower position, looking at the board with

text reading right-side up). If +1.8 VD and +3.3 VD are supplied externally, disable the onboard regulators

by placing SW1 switches in the OFF position.

Each power supply voltage has an LED (D1-D7) that lights when the power supplies are active.

3 TLV320AIC3101EVM-PDK Setup and Installation

The following section provides information on using the TLV320AIC3101EVM-PDK, including setup,

program installation, and program usage.

NOTE: If using the EVM in stand-alone mode, the software should be installed per the following

procedure, but the hardware configuration may be different.

3.1 Software Installation

1. Locate the installation file on the CD-ROM included with the EVM or download the latest version of the

software located on the AIC3101 product page. If downloading the software from the TI Web site, an

option is available to allow the user to be notified when the software is updated.

2. Unzip the installation file by clicking on the self-extracting zip file.

3. Install the EVM software by double-clicking the Setup executable file and follow the directions. Users

may be prompted to restart their computers.

This should install all the TLV320AIC310x software and required drivers onto the PC.

3.2 EVM Connections

1. Ensure that the TLV320AIC3101EVM is installed on the USB-MODEVM Interface Board, aligning J1,

J2, J3, J4, and J5 with the corresponding connectors on the USB-MODEVM Interface Board.

2. Verify that the jumpers and switches are in their default conditions.

3. Attach a USB cable from the PC to the USB-MODEVM Interface Board. The default configuration

provides power, control signals, and streaming audio via the USB interface from the PC. On the USB-

MODEVM Interface Board, LEDs D3–6 should light to indicate that the power is being supplied from

the USB.

4. For the first connection, the PC should recognize new hardware and begin an initialization process.

The user may be prompted to identify the location of the drivers or allow the PC to automatically

search for them. Allow the automatic detection option.

5. Once the PC confirms that the hardware is operational, D2 on the USB-MODEVM Interface Board

should light to indicate that the firmware has been loaded and the EVM is ready for use. If the LED is

not lit, verify that the drivers were installed, unplug the USB cable, and restart the procedure at Step 3.

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TLV320AIC3101EVM-PDK Setup and Installation

After the TLV320AIC3101EVM-PDK software installation is complete, evaluation and development with

the TLV320AIC3101 can begin.

The TLV320AIC310xEVM software can now be launched. The user should see an initial screen that looks

similar to Figure 2.

Figure 2. Default Software Screen

SLAU219A–August 2007–Revised January 2014 TLV320AIC3101EVM and TLV320AIC3101EVM-PDK

TLV320AIC3101EVM Software

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4 TLV320AIC3101EVM Software

The following section discusses the details and operation of the EVM software.

NOTE: For configuration of the codec, the TLV320AIC3101 block diagram located in the

TLV320AIC3101 data sheet (SLAS520) is a good reference to help determine the signal

routing.

4.1 Device Selection for Operation With AIC3101EVM

The software that is installed provides operation for several devices. An initial window should appear that

looks like Figure 3. For operation with the TLV320AIC3101EVM, the user should select AIC3101 from the

pull-down menu and click Accept. The software will take a few seconds to configure the software for

operation before proceeding. A progress bar should appear and show the status of the configuration.

Figure 3. Device Selection Window

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