Datasheet > CR16MUS944VC

CR16MUS944VC

更新时间： 2024-11-14 22:17:07

品牌	Logo	应用领域
美国国家半导体 - NSC		微控制器
页数	文件大小	规格书
99页	444K
描述
Family of CompactRISC 16-Bit Microcontrollers

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数据手册

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CR16MUS944VC 数据手册

December 2001

CR16MES5/CR16MES9/CR16MFS5/CR16MFS9/

CR16MHS5/CR16MHS9/CR16MNS5/CR16MNS9/

CR16M9S5/CR16MUS5/CR16MUS9/

Family of CompactRISC 16-Bit Microcontrollers

1.0 General Description

The family of CompactRISC™ microcontrollers are gener-

al-purpose 16-bit microcontrollers based on a Reduced In-

struction Set Computer (RISC) architecture. The device

operates as a complete microcomputer with all system tim-

ing, interrupt logic, flash program memory or ROM memo-

ry, RAM, EEPROM data memory, and I/O ports included

on-chip. It is ideally suited to a wide range of embedded

controller applications because of its high performance,

on-chip integrated features and low power consumption,

resulting in decreased system cost.

The family of CompactRISC 16-bit microcontrollers offer

the high performance of a RISC architecture while retain-

ing the advantages of a traditional Complex Instruction Set

Computer (CISC): compact code, on-chip memory and I/O,

and reduced cost. The CPU uses a three-stage instruction

pipeline that allows execution of up to one instruction per

clock cycle, or up to 20 million instructions per second (MI-

PS) at a clock rate of 20 MHz.

Block Diagram

Fast Osc Slow Osc

Processing

CR16B

Unit

Core

Clock Generator

Power-on-Reset

Core Bus

640 Bytes

EEPROM

Data

Peripheral

Bus

Controller

Interrupt

Control

(ICU)

Power-Save

Management

48k Flash

Program

Memory

2 kbyte

RAM

boot

ROM

WATCHDOG

Memory

Peripheral Bus

Two

MFTs

Two

USARTs

Two Analog

Comparators

Real-Time

Timer

I/O

A/D

MIWU

mWire/SPI

Please note that not all family members contain same peripheral modules and features.

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

www.national.com

12 3 4 5 6 7...99

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