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AT89C51AC2 Datasheet Enhanced 8-bit Microcontroller

Manufacturer: Atmel (now Microchip Technology)

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General Description

The A/T89C51AC2 is a high performance Flash version of the 80C51 single chip 8-bit microcontrollers.

It contains a 32 KB Flash memory block for program and data.

The 32 KB Flash memory can be programmed either in parallel mode or in serial mode with the ISP capability or with software.

Key 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°C Read/Write Cycle: 10K.
  • 2 KB of On-chip Flash for Bootloader.
  • 2 KB of On-chip EEPROM Read/Write Cycle: 100K.
  • 14-sources 4-level Interrupts.
  • Three 16-bit Timers/Counters.
  • Full Duplex UART Compatible 80C51.
  • Maximum Crystal Frequency 40 MHz, in X2 Mode, 20 MHz (CPU C.

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