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AT89C1051 - 8-Bit Microcontroller with 1K Byte Flash

Download the AT89C1051 datasheet PDF. This datasheet also covers the AT8 variant, as both devices belong to the same 8-bit microcontroller with 1k byte flash family and are provided as variant models within a single manufacturer datasheet.

General Description

The AT89C1051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 1K byte of Flash programmable and erasable read only memory (PEROM).

Key Features

  • Compatible with MCS-51™ Products.
  • 1K Byte of Reprogrammable Flash Memory.
  • Endurance: 1,000 Write/Erase Cycles 2.7V to 6V Operating Range Fully Static Operation: 0 Hz to 24 MHz Two-Level Program Memory Lock 64 bytes SRAM 15 Programmable I/O Lines One 16-Bit Timer/Counter Three Interrupt Sources Direct LED Drive Outputs On-Chip Analog Comparator Low Power Idle and Power D.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT8-9C10.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT89C1051U 8-Bit Microcontroller with 1K Bytes Flash
AT89C2051 8-Bit Microcontroller
AT89C2051X2 8-bit Microcontroller
AT89C4051 8-Bit Microcontroller
AT89C5115 Low Pin Countl 8-bit Microcontroller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Features • Compatible with MCS-51™ Products • 1K Byte of Reprogrammable Flash Memory • • • • • • • • • • – Endurance: 1,000 Write/Erase Cycles 2.7V to 6V Operating Range Fully Static Operation: 0 Hz to 24 MHz Two-Level Program Memory Lock 64 bytes SRAM 15 Programmable I/O Lines One 16-Bit Timer/Counter Three Interrupt Sources Direct LED Drive Outputs On-Chip Analog Comparator Low Power Idle and Power Down Modes Description The AT89C1051 is a low-voltage, high-performance CMOS 8-bit microcomputer with 1K byte of Flash programmable and erasable read only memory (PEROM). The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry standard MCS-51™ instruction set.