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AT89S51 - 8-bit Microcontroller

This page provides the datasheet information for the AT89S51, a member of the AT8 8-bit Microcontroller family.

Description

The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller with 4K bytes of In-System Programmable Flash memory.

The device is manufactured using Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard 80C51 instruction set and pinout.

Features

  • Compatible with MCS®-51 Products.
  • 4K Bytes of In-System Programmable (ISP) Flash Memory.
  • Endurance: 10,000 Write/Erase Cycles.
  • 4.0V to 5.5V Operating Range.
  • Fully Static Operation: 0 Hz to 33 MHz.
  • Three-level Program Memory Lock.
  • 128 x 8-bit Internal RAM.
  • 32 Programmable I/O Lines.
  • Two 16-bit Timer/Counters.
  • Six Interrupt Sources.
  • Full Duplex UART Serial Channel.
  • Low-power Idle and Power-.

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Datasheet preview – AT89S51

Datasheet Details

Part number AT89S51
Manufacturer ATMEL Corporation
File Size 237.04 KB
Description 8-bit Microcontroller
Datasheet download datasheet AT89S51 Datasheet
Additional preview pages of the AT89S51 datasheet.

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Full PDF Text Transcription

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Features • Compatible with MCS®-51 Products • 4K Bytes of In-System Programmable (ISP) Flash Memory – Endurance: 10,000 Write/Erase Cycles • 4.0V to 5.5V Operating Range • Fully Static Operation: 0 Hz to 33 MHz • Three-level Program Memory Lock • 128 x 8-bit Internal RAM • 32 Programmable I/O Lines • Two 16-bit Timer/Counters • Six Interrupt Sources • Full Duplex UART Serial Channel • Low-power Idle and Power-down Modes • Interrupt Recovery from Power-down Mode • Watchdog Timer • Dual Data Pointer • Power-off Flag • Fast Programming Time • Flexible ISP Programming (Byte and Page Mode) • Green (Pb/Halide-free) Packaging Option 1. Description The AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller with 4K bytes of In-System Programmable Flash memory.
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