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AT80C51RD2 fiches techniques PDF

ATMEL Corporation - 80C51 High Performance ROM 8-bit Microcontroller

Numéro de référence AT80C51RD2
Description 80C51 High Performance ROM 8-bit Microcontroller
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT80C51RD2 fiche technique
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
– 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
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
– 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
80C51 High
Performance
ROM 8-bit
Microcontroller
AT80C51RD2

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