TX9956C Просмотр технического описания (PDF) - Toshiba

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TX9956C

RISC PROCESSOR

Toshiba 

Preliminary

TOSHIBA RISC PROCESSOR

TX9956CXBG

TX9956CXBG-533/-600 (TX9956C)

(64-bit RISC MICROPROCESSOR)

1. GENERAL DESCRIPTION

The TX9956C 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.

2. FEATURES

- True 64-bit microprocessor, with TX99/H4 core.

- 7-stage super-scalar pipeline

- 64bit System Address/Data bus (support 32bit bus mode)

- Single or double-precision Floating-Point Operation

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

- 64-bit SysAD bus interface with R5000 compatible protocol

- On-chip 32-Kbyte Instruction Cache, 32-Kbyte Data Cache and 256KB Level 2 Cache.

- Low power consumption

3.3V or 2.5V / 1.25V Dual power supply (I/O:3.3V or 2.5V, Internal:1.25V)

power management mode

- Memory management unit

contains 48-double entry JTLB, and 8-entry Data TLB

- Software compatibility with all MIPS processors

MIPS64 Instruction Set Architecture (ISA) and MIPS-3D ASE

- EJTAG (Enhanced JTAG) debug support

- Maximum operating frequency

Internal: 533 to 600MHz External:133Hz

- Package : 272-pin PBGA with 16-pin thermal balls, 27mm x 27mm, 1.27mm pitch

•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

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

•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.

TX9956CXBG 2004-4-25 1

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