T89C51RD2-RDTIM datasheet(1/104 Pages) ATMEL

部件名	T89C51RD2-RDTIM

功能描述	0 to 40 MHz Flash Programmable 8-bit Microcontroller

PDF	104 Pages

Scroll/Zoom	100%

制造商	ATMEL [ATMEL Corporation]

网页	http://www.atmel.com

标志

1 / 104 page

Rev. 4243G–8051–05/03

1

Features

• 80C52 Compatible

– 8051 Pin and Instruction Compatible

– Four 8-bit I/O Ports (or 6 in 64/68 Pins Packages)

– Three 16-bit Timer/Counters

– 256 bytes Scratch Pad RAM

– 7 Interrupt Sources With 4 Priority Levels

• ISP (In-System Programming) Using Standard V

CC Power Supply

• Boot Flash Contains Low Level Flash Programming Routines and a Default Serial

Loader

• High-Speed Architecture

– 40 MHz in Standard Mode

– 20 MHz in X2 Mode (6 Clocks/Machine Cycle)

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

– Byte and Page (128 bytes) Erase and Write

– 100K Write Cycles

• On-chip 1024 Bytes Expanded RAM (XRAM)

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

– 768 Bytes Selected at Reset for T87C51RD2 Compatibility

• Dual Data Pointer

Variable Length MOVX for Slow RAM/Peripherals

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

• 2K bytes EEPROM Block for Data Storage

– 100K Write Cycle

• Programmable Counter Array with

– High Speed Output

– Compare/Capture

– Pulse Width Modulator

Watchdog Timer Capabilities

Asynchronous Port Reset

Full-duplex Enhanced UART

Low EMI (Inhibit ALE)

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

• Power Control Modes:

– Idle Mode

– Power-down Mode

• Power Supply:

– M version: Commercial and Industrial

4.5V to 5.5V: 40 MHz (X1 Mode), 20 MHz (X2 Mode)

3V to 5.5V: 33 MHz (X1 Mode), 16 MHz (X2 Mode)

– L version: Commercial and industrial

2.7V to 3.6V: 25 MHz (X1 Mode), 12 MHz (X2 Mode)

• Temperature Ranges: Commercial (0 to +70

°C) and Industrial (-40 to +85°C)

• Packages: PDIL40, PLCC44, VQFP44, PLCC68, VQFP64

0 to 40 MHz

Flash

Programmable

8-bit

Microcontroller

T89C51RD2

类似零件编号 - T89C51RD2-RDTIM

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ATMEL Corporation	T89C51RD2-RDTI-L	987Kb / 86P	0 to 40MHz Flash Programmable 8-bit Microcontroller
ATMEL Corporation	T89C51RD2-RDTI-M	987Kb / 86P	0 to 40MHz Flash Programmable 8-bit Microcontroller

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