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User's Guide

SLOU294B – July 2010 – Revised October 2012

TLV320AIC3256EVM-U Evaluation Module

This user’s guide describes the operation, use, features, and characteristics of the TLV320AIC3256EVM-
U. This small form factor evaluation module (EVM) is a programmable USB audio device that features the
TLV320AIC3256 Audio Codec with miniDSP.

Contents

1

EVM Overview

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2

1.1

Features

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2

1.2

Introduction

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2

2

EVM Description and Getting Started

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2

2.1

TLV320AIC3256EVM-U Hardware Description

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2

2.2

Getting Started

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3

3

AIC3256EVM-U Control Software

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4

3.1

AIC3256EVM-U CS Setup

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4

3.2

AIC3256EVM-U CS Usage

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4

4

TLV320AIC3256EVM-U Schematic

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12

5

TLV320AIC3256EVM-U Bill of Materials

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14

6

Default Jumper Positions

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18

7

Writing Scripts

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19

8

Related Documentation

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20

List of Figures

1

Audio Properties

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3

2

Main Panel Window

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5

3

Compatibility Tab

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6

4

Playback Configurations and Controls

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7

5

Associated Script and Description

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7

6

Tip Strip Example

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8

7

Status Flags Panel

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9

8

Register Tables Panel

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10

9

Command Line Interface Panel

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11

10

Schematic, Sheet 1 of 3

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12

11

Schematic, Sheet 2 of 3

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13

12

Schematic, Sheet 3 of 3

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14

List of Tables

1

Audio Jacks Available to Connect Analog Inputs and Outputs

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2

2

Bill of Materials for TLV320AIC3256_RSB_USB_EVM_REVA

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15

3

TLV320AIC3256EVM-U Rev. A Default Jumper Positions

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18

Windows is a trademark of Microsoft Corporation.

1

SLOU294B – July 2010 – Revised October 2012

TLV320AIC3256EVM-U Evaluation Module

Submit Documentation Feedback

Copyright © 2010–2012, Texas Instruments Incorporated

Summary of Contents for TLV320AIC3256EVM-U

Page 1: ...of Materials 14 6 Default Jumper Positions 18 7 Writing Scripts 19 8 Related Documentation 20 List of Figures 1 Audio Properties 3 2 Main Panel Window 5 3 Compatibility Tab 6 4 Playback Configurations...

Page 2: ...EEPROM is capable of storing TLV320AIC3256 commands scripts as well as the TAS1020B firmware Two pushbuttons are provided to cycle between scripts along with two LEDs that provide the user feedback r...

Page 3: ...dia player To adjust playback volume open Sounds and Audio Devices Properties see following inset illustration in the Control Panel and click the Volume button of the Sound playback section of the Aud...

Page 4: ...1 AIC3256EVM U CS Setup This section provides setup instructions for the AIC3256EVM U CS To install the TLV320AIC3256EVM U software 1 Download the latest version of the AIC3256EVM U Control Software...

Page 5: ...ntrol the TLV320AIC3256 The tree is divided into several categories which contain items that pop up panels A panel can be opened by double clicking any item inside a category in the Panel Selection Tr...

Page 6: ...t click the AIC3256EVM U CS shortcut and select Properties Configure the Compatibility tab as shown in Figure 3 Figure 3 Compatibility Tab 6 TLV320AIC3256EVM U Evaluation Module SLOU294B July 2010 Rev...

Page 7: ...ription 3 2 3 Control Categories The Digital Settings Analog Settings and Signal Processing categories provide control of many registers and other features of the TLV320AIC3256 These categories are in...

Page 8: ...a particular order as described in the data sheet All controls update their status with respect to the register contents in the following conditions A panel is opened The Execute Command Buffer button...

Page 9: ...nterval numeric control Note that a smaller interval reduces responsiveness of other controls especially volume sliders due to bandwidth limitations By default the polling interval is 200 ms and can b...

Page 10: ...d in the register table The register table contains page information such as the register name reset value current value and a bitmap of the current value The contents of the selected page can be expo...

Page 11: ...nd executed e g write read for a particular interface The Flag Retries box displays the number of read iterations performed by a Wait for Flag command see Section 7 for details The Register Data array...

Page 12: ...The schematic diagram for the TLV320AIC3256EVM U is provided as a reference Figure 10 Schematic Sheet 1 of 3 12 TLV320AIC3256EVM U Evaluation Module SLOU294B July 2010 Revised October 2012 Submit Doc...

Page 13: ...AIC3256EVM U Schematic Figure 11 Schematic Sheet 2 of 3 13 SLOU294B July 2010 Revised October 2012 TLV320AIC3256EVM U Evaluation Module Submit Documentation Feedback Copyright 2010 2012 Texas Instrume...

Page 14: ...3 of 3 Empty para to force the bill of materials to a new landscape page 5 TLV320AIC3256EVM U Bill of Materials 14 TLV320AIC3256EVM U Evaluation Module SLOU294B July 2010 Revised October 2012 Submit...

Page 15: ...OR SMT 6MHz 3 3V OUT ENABLE MOUSER 788 8002AI133E 6 0T SITIME SIT8002AI 13 33E 6 00000T ROHS CAPACITORS Item QTY REF DES Description Vendor Vendor Part NO MANU MANU Part NO 10 2 C4 C5 CAP SMD0603 CERM...

Page 16: ...THICK DIGI KEY P3 09KHCT PANASONIC ERJ 3EKF3091V FILM 1 10W ROHS 30 1 R21 RESISTOR SMD0603 200K OHMS 5 1 10W DIGI KEY P200KGCT PANASONIC ERJ 3GEYJ204V ROHS 31 3 R14 R15 R23 RESISTOR SMD0603 2 20K OHMS...

Page 17: ...MOM 160G SMT 4X3MM ROHS DIGI KEY EG4344CT E SWITCH TL1015AF160QG NON INSULATED WIRE GROUND LOOPS Item QTY REF DES Description Vendor Vendor Part NO MANU MANU Part NO BEND THE WIRE LENGTHS INTO A U SH...

Page 18: ...ET to J5 4 W6 Removed Reserved W7 Inserted Provides a means to measure AVDD Current W8 2 3 Provides a means to measure DRVDD_HP Current and selects between 3 3V 1 8V W9 1 2 Selects between 3 3V 1 8V f...

Page 19: ...eature is useful when switching buffers in parts that support the adaptive filtering mode The command f syntax follows f i2c address register D7 D6 D5 D4 D3 D2 D1 D0 where i2c address and register are...

Page 20: ...e of the Wait for Flag command f example script for wait for flag command I i2cfast Switch to Page 44 w 30 00 2C Switch buffer w 30 01 05 Wait for bit D0 to clear x denotes a don t care f 30 01 xxxxxx...

Page 21: ...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 engineer or...

Page 22: ...egulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided...

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