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SPRZ293A—November 2009 TMS320C6457 Fixed-Point Digital Signal Processor Silicon Errata 5

SPRZ293A—November 2009

Silicon Errata

TMS320C6457

Fixed-Point Digital Signal Processor

Submit Documentation Feedback Silicon Revisions 1.0, 1.1, 1.2, 1.3, 1.4 .

Silicon Revisions 1.0, 1.1, 1.2, 1.3, 1.4

Introduction

This document describes the silicon updates to the functional specifications for the

TMS320C6457 fixed point digital signal processor. See the device-specific data

manual, TMS320C6457 Fixed PointDigital Signal Processor data manual (literature

number SPRS582) for more information.

Note—TMS320C6457 Silicon Revision 1.1 was a manufacturing process

change. No design changes were made from revision 1.0 to revision 1.1. All

advisories for C6457 silicon revision 1.0 also apply to revision 1.1.

Device and Development Support Tool Nomenclature

To designate the stages in the product development cycle, TI assigns prefixes to the part

numbers of all DSP devices and support tools. Each DSP commercial family member

has one of three prefixes: TMX, TMP, or TMS (e.g., TMS320C6457GMH). Texas

Instruments recommends one of two possible prefix designators for its support tools:

TMDX and TMDS. These prefixes represent evolutionary stages of product

development from engineering prototypes (TMX/TMDX) through fully qualified

production devices/tools (TMS/TMDS).

Device development evolutionary flow:

Support tool development evolutionary flow:

TMX and TMP devices and TMDX development-support tools are shipped against the

following disclaimer:

Developmental product is intended for internal evaluation purposes.

TMX Experimental device that is not necessarily representative of the final

device's electrical specifications

TMP Final silicon die that conforms to the device's electrical specifications but

has not completed quality and reliability verification

TMS Fully-qualified production device

TMDX Development-support product that has not yet completed Texas

Instruments internal qualification testing

TMDS Fully-qualified development-support product

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