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64-Bit TX System RISC TX49 Family TMPR4955A
R4000/R4400/R5000 are a trademark of MIPS Technologies, Inc.
The information contained herein is subject to change without notice.
The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of TOSHIBA or others.
The products described in this document contain components made in the United States and subject to export control of the U.S. authorities. Diversion contrary to the U.S. law is prohibited.
TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc..
The Toshiba products listed in this document are intended for usage in general electronics applications ( computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These Toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of Toshiba products listed in this document shall be made at the customer’s own risk.
The products described in this document may include products subject to the foreign exchange and foreign trade laws.
© 2001 TOSHIBA CORPORATION
All Rights Reserved
Preface
Thank you for your new or continued patronage of Toshiba semiconductor products. This is the 2001 edition of the user’s manual for the TMPR4955A 64-bit RISC microprocessor.
This databook is written so as to be accessible to engineers who may be designing a Toshiba microprocessor into their products for the first time. No prior knowledge of this device is assumed. What we offer here is basic information about the microprocessor, a discussion of the application fields in which the microprocessor is utilized, and an overview of design methods. On the other hand, the more experienced designer will find complete technical specifications for this product.
Toshiba continually updates its technical information. Your comments and suggestions concerning this and other Toshiba documents are sincerely appreciated and may be utilized in subsequent editions. For updating of the data in this manual, or for additional information about the product appearing in it, please contact your nearest Toshiba office or authorized Toshiba dealer.
Dec 2000
TMPR4955A
Contents
Handling Precautions
TMPR4955A
Chapter 1. Introduction ............................................................................................................................ 1-1 1.1 Overview ........................................................................................................................................ 1-1 1.2 Notation used in this manual ....................................................................................................... 1-1 1.2.1 Numerical notation ................................................................................................................ 1-1 1.2.2 Data notation.......................................................................................................................... 1-1 1.2.3 Signal notation ....................................................................................................................... 1-1 1.2.4 Register notation .................................................................................................................... 1-1
Chapter 2. Features .................................................................................................................................. 2-1 2.1 Block Diagram ........................................................................