Texas Instruments PCM1681, Руководство пользователя

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CAUTION
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Preface
SBAU137 – April 2008
Read This First
About This Manual
This document provides the information needed to set up and operate the DEM-DAI1681, a test platform
for the eight-channel, 24-bit PCM1681 audio digital-to-analog converter (DAC). The PCM1681 provides a
subset of user-programmable functions through a parallel control port, in addition to a full set of
user-programmable functions through a serial control port, SPI™, or I
2
C™. It also contains instructions to
connect and set up the DEM-DAI1681 for operation, and for the installation and use of the software that
controls the demonstration board. For a more detailed description of the PCM1681 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-DAI1681 evaluation module.
Chapter 1 discusses the block diagram and primary features of the DEM-DAI1681. This chapter also
provides general information regarding the default switch and jumper configurations.
Chapter 2 explains how to use the software provided with the DEM-DAI1681.
Chapter 3 presents measured typical performance and characteristic data for the PCM1681 when used
with the DEM-DAI1681.
Chapter 4 includes the EVM electrical schematics, printed circuit board (PCB) layout, and the bills of
materials.
Information About Cautions and Warnings
This document contains caution statements.
The information in a caution or a warning is provided for your protection. Please read each caution and
warning carefully.
SYS-2722 is a registered trademark of Audio Precision, Inc.
Microsoft, Windows are registered trademarks of Microsoft Corporation.
SPI is a trademark of Motorola, Inc.
I
2
C is a trademark of NXP Semiconductors.
TOSLINK is a registered trademark of Toshiba Corporation.
All other trademarks are the property of their respective owners.
SBAU137 – April 2008
Read This First
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