Datasheet > NS32532-30

NS32532-30

更新时间： 2022-01-19 23:18:00

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NS32532-30 数据手册

May 1991

NS32532-20/NS32532-25/NS32532-30

High-Performance 32-Bit Microprocessor

General Description

The NS32532 is a high-performance 32-bit microprocessor

Features

Software compatible with the Series 32000 family

32-bit architecture and implementation

4-GByte uniform addressing space

On-chip memory management unit with 64-entry

translation look-aside buffer

in the Series 32000 family. It is software compatible with

the previous microprocessors in the family but with a greatly

enhanced internal implementation.

The high-performance specifications are the result of a four-

stage instruction pipeline, on-chip instruction and data

caches, on-chip memory management unit and a signifi-

cantly increased clock frequency. In addition, the system

interface provides optimal support for applications spanning

a wide range, from low-cost, real-time controllers to highly

sophisticated, general purpose multiprocessor systems.

4-Stage instruction pipeline

512-Byte on-chip instruction cache

1024-Byte on-chip data cache

High-performance bus

Ð Separate 32-bit address and data lines

Ð Burst mode memory accessing

Ð Dynamic bus sizing

The NS32532 integrates more than 370,000 transistors fab-

ricated in a 1.25 mm double-metal CMOS technology. The

advanced technology and mainframe-like design of the de-

vice enable it to achieve more than 10 times the throughput

of the NS32032 in typical applications.

Extensive multiprocessing support

Floating-point support via the NS32381 or NS32580

1.25 mm double-metal CMOS technology

175-pin PGA package

In addition to generally improved performance, the

NS32532 offers much faster interrupt service and task

switching for real-time applications.

Block Diagram

TL/EE/9354–1

FIGURE 1

Series 32000É and TRI-STATEÉ are registered trademarks of National Semiconductor Corporation.

1995 National Semiconductor Corporation

TL/EE/9354

RRD-B30M105/Printed in U. S. A.

12 3 4 5 6 7...102

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