Datasheet > NS32202-10

NS32202-10

更新时间： 2024-11-12 23:54:27

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NS32202-10 数据手册

July 1991

NS32202-10 Interrupt Control Unit

General Description

The NS32202 Interrupt Control Unit (ICU) is the interrupt

Features

16 maskable interrupt sources, cascadable to 256

controller for the Series 32000 microprocessor family. It is

Programmable 8- or 16-bit data bus mode

Edge or level triggering for each hardware interrupt with

individually selectable polarities

a support circuit that minimizes the software and real-time

overhead required to handle multi-level, prioritized inter-

rupts. A single NS32202 manages up to 16 interrupt sources,

resolvesinterruptpriorities,andsuppliesasingle-byteinterrupt

vector to the CPU.

8 software interrupts

Fixed or rotating priority modes

Two 16-bit, DC to 10 MHz counters, that may be con-

catenated into a single 32-bit counter

Optional 8-bit I/O port available in 8-bit data bus mode

High-speed XMOS^TMtechnology

The NS32202 can operate in either of two data bus modes:

16-bit or 8-bit. In the 16-bit mode, eight hardware and eight

software interrupt positions are available. In the 8-bit mode,

16 hardware interrupt positions are available, 8 of which can

be used as software interrupts. In this mode, up to 16 addi-

tional ICUs may be cascaded to handle a maximum of 256

interrupts.

Single, 5V supply

40-pin, dual in-line package

Two 16-bit counters, which may be concatenated under pro-

gram control into a single 32-bit counter, are also available

for real-time applications.

Basic System Configuration

TL/EE/5117–1

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

XMOS^TMis a trademark of National Semiconductor Corp.

1995 National Semiconductor Corporation

TL/EE/5117

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

12 3 4 5 6 7...26

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与NS32202-10相关器件

型号	品牌	获取价格	描述	数据表
NS32202D-10	TI	获取价格	INTERRUPT CONTROLLER, CDIP40, HERMETIC SEALED, DIP-40
NS32202D10-MSP	TI	获取价格	IC,INTERRUPT CONTROLLER,MOS,DIP,40PIN
NS32202D6	TI	获取价格	IC,INTERRUPT CONTROLLER,MOS,DIP,40PIN
NS32202D-6	ETC	获取价格	Interrupt Controller
NS32202D8	TI	获取价格	IC,INTERRUPT CONTROLLER,MOS,DIP,40PIN
NS32202D-8	ETC	获取价格	Interrupt Controller
NS32202N-10	ETC	获取价格	Interrupt Controller
NS32202N6	TI	获取价格	IC,INTERRUPT CONTROLLER,MOS,DIP,40PIN
NS32203-10	NSC	获取价格	DIRECT MEMORY ACCESS CONTROLLER
NS32203D	NSC	获取价格	DIRECT MEMORY ACCESS CONTROLLER