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AT89C51ID2

ATMEL Corporation
Part Number AT89C51ID2
Manufacturer ATMEL Corporation
Description 8-bit Flash Microcontroller
Published Mar 23, 2005
Detailed Description Features • 80C52 Compatible – 8051 Instruction Compatible – Six 8-bit I/O Ports (64 pins or 68 Pins Versions) – Four 8-b...
Datasheet PDF File AT89C51ID2 PDF File

AT89C51ID2
AT89C51ID2

Overview
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 – 10 Interrupt Sources With 4 Priority Levels • ISP (In-System Programming) Using Standard VCC Power Supply • Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply • 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,...


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