Texas Instruments DEM-PCM2912A EVM Read This First, About This Manual How to Use This Manual

Preface

SBAU141–January 2009

Read This First

About This Manual

This document provides the information needed to set up and operate the DEM-PCM2912A EVM evaluation module, a test platform for the 16-bit, mono microphone input and stereo headphone output, single-chip PCM2912A stereo audio coder/decoder (codec) with a universal serial bus (USB) interface. For a more detailed description of the PCM2912A product line, refer to the product data sheet available from the Texas Instruments web site at http://www.ti.com. Support documents are listed in the section of this guide entitled Related Documentation from Texas Instruments.

How to Use This Manual

Throughout this document, the abbreviation EVM and the term evaluation module are synonymous with the DEM-PCM2912A EVM.

Chapter 1 gives an overview of the PCM2912A USB interface codec. The EVM 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.

Chapter 3 is the hardware and software setup guide for the EVM, providing all of the necessary information needed to configure the EVM under various PC operating systems for product evaluation.

Chapter 4 discusses how to configure the DEM-PCM2912A EVM motherboard for performance evaluation using an audio analyzer.

Chapter 5 includes the EVM electrical schematic, 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.

Macintosh, QuickTime are registered trademarks of Apple Incorporated.

SYS-2722 is a registered trademark of Audio Precision, Inc.

Windows, Windows Vista, Windows XP are registered trademarks of Microsoft Corporation.

All other trademarks are the property of their respective owners.

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