Datasheet > AT80C51RD2_08

AT80C51RD2_08

更新时间： 2024-11-16 06:38:23

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器
页数	文件大小	规格书
86页	918K
描述
80C51 High Performance ROM 8-bit Microcontroller

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数据手册

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AT80C51RD2_08 数据手册

Features

80C52 Compatible

•

– Four 8-bit I/O Ports

– Three 16-bit Timer/Counters

– 256 Bytes Scratch Pad RAM

– 8 Interrupt Sources with 4 Priority Levels

– Dual Data Pointer

•

Variable Length MOVX for Slow RAM/Peripherals

High-speed Architecture

80C51 High

Performance

ROM 8-bit

– 10 to 40 MHz in Standard Mode

16K/32K Bytes On-Chip ROM Program

T80C51RD2 ROMless Versions

•

On-Chip 1024 bytes Expanded RAM (XRAM)

– Software Selectable Size (0, 256, 512, 768, 1024 bytes)

– 256 Bytes Selected at Reset for AT87C51RB2/RC2 Compatibility

Keyboard Interrupt Interface on Port P1

8-bit Clock Prescaler

Microcontroller

•

64K Program and Data Memory Spaces

Improved X2 Mode with Independant Selection for CPU and Each Peripheral

Programmable Counter Array 5 Channels with:

– High-speed Output

AT80C51RD2

AT83C51RB2

AT83C51RC2

– Compare/Capture

– Pulse Width Modulator

– Watchdog Timer Capabilities

•

Asynchronous Port Reset

Full Duplex Enhanced UART

Dedicated Baud Rate Generator for UART

Low EMI (Inhibit ALE)

Hardware Watchdog Timer (One-time Enabled with Reset-out)

Power Control Modes

– Idle Mode

– Power-down Mode

– Power-off Flag

•

Power Supply: 2.7V to 5.5V or 2.7V to 3.6V

Temperature Ranges: Commercial (0 to +70°C) and Industrial (-40°C to +85°C)

Packages: PDIL40, PLCC44, VQFP44

12 3 4 5 6 7...86

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