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AT89C1051U Datasheet 8-bit Microcontroller With 1k Bytes Flash

Manufacturer: Atmel (now Microchip Technology)

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The AT89C1051U is a low-voltage, high-performance CMOS 8-bit microputer with 1K bytes of Flash programmable and erasable read only memory.

It has the same functionality and operation as the AT89C1051 with the addition of a UART programmable serial port.

The device is manufactured using Atmel’s high-density nonvolatile memory technology and is patible with the industry standard MCS-51™ instruction set.

Key Features

  • Compatible with MCS-51™ Products.
  • 1K Bytes 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 x 8-Bit Internal RAM 15 Programmable I/O Lines Two 16-Bit Timer/Counters Six Interrupt Sources Programmable Serial UART Channel Direct LED Drive Outputs.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
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AT89C1051U Distributor