Features • Compatible with MCS-51™ Products • 4K Bytes of In-System Reprogrammable Flash Memory – Endurance: 1,000 Write/Erase Cycles • Fully Static O

Features • Compatible with MCS®-51 Products • 32K Bytes of Reprogrammable Flash Memory • Endurance: 1000 Write/Erase Cycles • 4V to 5.5V Operating Ran

INTEGRATED CIRCUITS 89C51RB2/89C51RC2/89C51RD2 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM Prelimina

Features • • • • • • • • • • Compatible with MCS-51™ Products 4 Kbytes of In-System Reprogrammable Flash Memory Endurance: 1,000 Write/Erase Cycles

Features • 80C52X2 Core (6 Clocks per Instruction) – Maximum Core Frequency 48 MHz in X1 Mode, 24MHz in X2 Mode – Dual Data Pointer – Full-duplex Enha

Features • 80C51 Core Architecture • 256 Bytes of On-chip RAM • 1 KB of On-chip XRAM • 32 KB of On-chip Flash Memory – Data Retention: 10 Years at 85°

INTEGRATED CIRCUITS 89C51RB2/89C51RC2/89C51RD2 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM Prelimina

AT89C51RD2 / AT89C51ED2 QualPack Qualification Package AT89C51ED2 FLASH 8-bit C51 Microcontroller 64 Kbytes FLASH, 2 Kbytes EEPROM www.DataSheet4U.c

Features • 80C51 Core : – 6 Clocks per Instruction – Speed up to 16 MHz • 768 Bytes RAM • AT83C5122: 32 Kbytes ROM • AT83C5123: 30 Kbytes ROM • AT85C5

INTEGRATED CIRCUITS 89C51RB2/89C51RC2/89C51RD2 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM Prelimina

Features • • • • • • • • • • • • www.DataSheet4U.com 80C51 Core Architecture 256 Bytes of On-chip RAM 1K Bytes of On-chip ERAM 32K Bytes of On-chip Fl

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INTEGRATED CIRCUITS 89C51/89C52/89C54/89C58 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash Product specification 1999 Oct 27 Replaces Datashe

Features • 80C51 Core Architecture • 256 Bytes of On-chip RAM • 256 Bytes of On-chip XRAM • 16K Bytes of On-chip Flash Memory – Data Retention: 10 Yea

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Features • 80C51 Core Architecture • 256 Bytes of On-chip RAM • 2048 Bytes of On-chip ERAM • 64K Bytes of On-chip Flash Memory – Data Retention: 10 Ye

Features • 80C51 Core Architecture • 256 Bytes of On-chip RAM • 1K Bytes of On-chip XRAM • 32K Bytes of On-chip Flash Memory – Data Retention: 10 Year

Features • 80C51 Core : • • • • • • • – 6 Clocks per Instruction – Speed up to 16 MHz 768 Bytes RAM AT83C5122: 32 Kbytes ROM AT83C5123: 30 Kbytes ROM

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Features • 80C52 Compatible – 8051 Instruction Compatible – Four 8-bit I/O Ports (44 Pins Version) – Three 16-bit Timer/Counters – 256 bytes Scratch P