tmpr4955afg TOSHIBA Semiconductor CORPORATION, tmpr4955afg Datasheet

tmpr4955afg

Manufacturer Part Number

tmpr4955afg

Description

64-bit Risc Microprocessor

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TMPR4955AFG.pdf (19 pages)

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1. GENERAL DESCRIPTION

2. FEATURES

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 observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product

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

products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability

Handbook

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 information contained herein is subject to change without notice.

TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general

The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA

The TMPR4955AF is a 64-bit RISC (Reduced Instruction Set Computer) microprocessor that is a low-

cost, low-power microprocessor developed for interactive consumer applications including set-top

terminals, LBP(Laser Beam Printer), and video games.

True 64-bit microprocessor, with TX49/H2 core.

Optimized 5-stage pipeline

32-bit System Address/Data bus

Single or double-precision Floating-Point Operation

32-bit physical address space and 64-bit virtual address space.

32-bit SysAD bus interface with R4000/R4400/R5000 or TX4300 compatible protcol

On-chip 32-Kbyte Instruction Cache and 32-Kbyte Data Cache.

Low power consumption

Data cache prefetching

Memory management unit

Software compatibility with all MIPS processors

EJTAG (Enhanced JTAG) debug support

Maximum operating frequency

Package : 160-pin QFP

Internal:200MHz

MIPS I, II, and III Instruction Set Architecture (ISA)

3.3 /1.5V Dual power supply (I/O:3.3V,Internal:1.5V)

Reduced power mode (Halt)

contains 48-double entry JTLB, 2-entry Instruction TLB, and 4-entry Data TLB

External:100MHz

TMPR4955AF-200 (TX4955A)

TOSHIBA RISC PROCESSOR

(64-bit RISC MICROPROCESSOR)

TMPR4955AF 2002-01-17 1/19

TMPR4955AF-200

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