Datasheet > NS32FX161-15

NS32FX161-15

更新时间： 2024-09-16 22:11:47

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
102页	1048K
描述
Advanced Imaging/Communication Signal Processors

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数据手册

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NS32FX161-15 数据手册

February 1992

NS32FX161-15/NS32FX161-20/NS32FX164-20/

NS32FX164-25/NS32FV16-20/NS32FV16-25

Advanced Imaging/Communication Signal Processors

General Description

The NS32FX164, the NS32FV16 and the NS32FX161 are

The NS32FX164 capabilities can be expanded by using an

external floating point unit (FPU) which directly interfaces to

the NS32FX164 using the slave protocol. The CPU-FPU

cluster features high speed execution of the floating-point

instructions.

high-performance 32-bit members of the Series 32000

EP^TMfamily of National’s Embedded System Processors^TM

specifically optimized for CCITT Group 2 and Group 3 Fac-

simile Applications, Data Modems, Voice Mail Systems, La-

ser Printers, or any combination of the above.

The NS32FX164 highly-efficient architecture combined with

the NS32CG16 graphics instructions and the high-perform-

ance vector operation capability, makes the device the ideal

choice for Postscript^TMand Fax applications.

Unless specified otherwise any reference to the

NS32FX164 in this document applies to the NS32FV16 and

the NS32FX161 as well.

The NS32FX164 can perform all the computations and con-

trol functions required for a stand-alone Fax system, a PC

add-in Fax/Voice/Data Modem card or a Laser/Fax sys-

tem.

Features

Software compatible with the Series 32000/EP

processors

Designed around the CPU core of the NS32CG16

It also meets the performance requirements to implement

14400, 9600 and 7200 bps modems complying with CCITT

V.17, V.29 and V.27 standards. The NS32FV16 supports

V.29 and V.27 standards as well as voice. The NS32FX161

supports V.29 and V.27 standards.

Pin compatible with the NS32FX16

32-bit architecture and implementation

On-chip DSP Module for high-speed DSP operations

Special support for graphics applications

Ð 18 graphics instructions

Ð Binary compression/expansion capability for font

storage using RLL encoding

Ð Pattern magnification

The NS32FX164 provides a 16 Mbyte Linear external ad-

dress space and a 16-bit external data bus.

The CPU core, which is the same as that of the NS32CG16,

incorporates a 32-bit ALU and instruction pipeline, and an

8-byte prefetch queue.

Ð Interface to an external BITBLT processing units for

fast color BITBLT operations

Also integrated on-chip with the CPU are a DSP Module

(DSPM) and a 4K-byte RAM Array (2K in the NS32FV16 and

NS32FX161). The DSPM is a complete processing unit, ca-

pable of autonomous operation parallel to the CPU core

operation. The DSPM executes programs stored in an inter-

nal on-chip Random Access Memory (RAM), and manipu-

lates data stored either in the internal RAM or in an external

off-chip memory. To maximize utilization of hardware re-

sources, the DSPM contains a pipelined DSP-oriented data-

path, and a control logic that implements a set of DSP vec-

tor commands.

4K-byte on-chip RAM array (2K in NS32FV16 and

NS32FX161)

On-chip clock generator

Floating-point support via the NS32081 or NS32181

Optimal interface to large memory arrays via the

NS32CG821 and the DP84xx family of DRAM

controllers

Power save mode

High-speed CMOS technology

68-pin PLCC package

Block Diagram

TL/EE/11267–1

FIGURE 1-1. CPU Block Diagram

Series 32000É is a registered trademark of National Semiconductor Corporation.

EP^TMand Embedded System Processors^TMare trademarks of National Semiconductor Corporation.

Postscript^TMis a trademark of Adobe Systems, Inc.

1995 National Semiconductor Corporation

TL/EE11267

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7...102

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与NS32FX161-15相关器件

型号	品牌	获取价格	描述	数据表
NS32FX161-20	NSC	获取价格	Advanced Imaging/Communication Signal Processors
NS32FX161-20	TI	获取价格	Advanced Imaging/Communication Signal Processors
NS32FX16-15	NSC	获取价格	Imaging/Signal Processor
NS32FX161V-15	TI	获取价格	16-BIT, 30.3MHz, MIXED DSP, PQCC68, PLASTIC, LCC-68
NS32FX161V-20	TI	获取价格	IC,COMMUNICATIONS INTERFACE,CMOS,LDCC,68PIN,PLASTIC
NS32FX16-20	NSC	获取价格	Imaging/Signal Processor
NS32FX16-25	NSC	获取价格	Imaging/Signal Processor
NS32FX164	TI	获取价格	Advanced Imaging/Communication Signal Processors
NS32FX164-20	NSC	获取价格	Advanced Imaging/Communication Signal Processors
NS32FX164-20	TI	获取价格	Advanced Imaging/Communication Signal Processors

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