AT89C51ED2-RDTUM datasheet(1/137 Pages) ATMEL

部件名	AT89C51ED2-RDTUM

功能描述	8-bit Flash Microcontroller

PDF	137 Pages

Scroll/Zoom	100%

制造商	ATMEL [ATMEL Corporation]

网页	http://www.atmel.com

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1 / 137 page

Features

• 80C52 Compatible

– 8051 Instruction Compatible

– Six 8-bit I/O Ports (64 Pins or 68 Pins Versions)

– Four 8-bit I/O Ports (44 Pins Version)

– Three 16-bit Timer/Counters

– 256 Bytes Scratch Pad RAM

– 9 Interrupt Sources with 4 Priority Levels

• Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply

• ISP (In-System Programming) Using Standard V

CC Power Supply

• 2048 Bytes Boot ROM Contains Low Level Flash Programming Routines and a Default

Serial Loader

• High-speed Architecture

– In Standard Mode:

• 40 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)

• 60 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)

– In X2 mode (6 Clocks/machine cycle)

• 20 MHz (Vcc 2.7V to 5.5V, both Internal and external code execution)

• 30 MHz (Vcc 4.5V to 5.5V and Internal Code execution only)

• 64K Bytes On-chip Flash Program/Data Memory

– Byte and Page (128 Bytes) Erase and Write

– 100k Write Cycles

• On-chip 1792 bytes Expanded RAM (XRAM)

– Software Selectable Size (0, 256, 512, 768, 1024, 1792 Bytes)

– 768 Bytes Selected at Reset for T89C51RD2 Compatibility

• On-chip 2048 Bytes EEPROM Block for Data Storage (AT89C51ED2 Only)

• 100K Write Cycles

• Dual Data Pointer

• Variable Length MOVX for Slow RAM/Peripherals

• Improved X2 Mode with Independent Selection for CPU and Each Peripheral

• Keyboard Interrupt Interface on Port 1

• SPI Interface (Master/Slave Mode)

• 8-bit Clock Prescaler

• 16-bit Programmable Counter Array

– High Speed Output

– Compare/Capture

– Pulse Width Modulator

– Watchdog Timer Capabilities

• Asynchronous Port Reset

• Full-duplex Enhanced UART with Dedicated Internal Baud Rate Generator

• Low EMI (Inhibit ALE)

• Hardware Watchdog Timer (One-time Enabled with Reset-Out), Power-off Flag

• Power Control Modes: Idle Mode, Power-down Mode

• Single Range Power Supply: 2.7V to 5.5V

• Industrial Temperature Range (-40 to +85°C)

• Packages: PLCC44, VQFP44, PLCC68, VQFP64

8-bit Flash

Microcontroller

AT89C51RD2

AT89C51ED2

类似零件编号 - AT89C51ED2-RDTUM

制造商	部件名	数据表	功能描述
ATMEL Corporation	AT89C51ED2-RDTIM	1Mb / 24P	8-bit Flash Microcontroller
ATMEL Corporation	AT89C51ED2-RDTIM	1Mb / 137P	8-bit Flash Microcontroller

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类似说明 - AT89C51ED2-RDTUM

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