Datasheet > AT80C51RD2

AT80C51RD2

更新时间： 2024-11-17 14:51:19

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
81页	1336K
描述
High-performance version of the 80C51 8-bit microcontrollers that retains all features of the 80C5

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数据手册

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AT80C51RD2 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

• AT80C51RD2 ROMless Versions

• On-Chip 1024 bytes Expanded RAM (XRAM)

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

– 256 Bytes Selected at Reset

Microcontroller

• Keyboard Interrupt Interface on Port P1

• 8-bit Clock Prescaler

• 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

– 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

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

• Packages: PDIL40, PLCC44, VQFP44

12 3 4 5 6 7...81

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AT80C51RD2_05	ATMEL	获取价格	80C51 High Performance ROM 8-bit Microcontroller
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AT80C51RD2_14	ATMEL	获取价格	During UART Reception, Clearing REN May Generate Unexpected IT
AT80C51RD2-3CSCM	ATMEL	获取价格	Microcontroller
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AT80C51RD2-3CSUL	INFINEON	获取价格	High Performance 8-bit Microcontroller
AT80C51RD2-3CSUL	MICROCHIP	获取价格	Microcontroller, 8-Bit, 30MHz, CMOS, PDIP40
AT80C51RD2-3CSUL	ATMEL	获取价格	High Performance 8-bit Microcontroller
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