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AT89S54 Datasheet 8-bit Flash Microcontroller

Manufacturer: Atmel (now Microchip Technology)

Key Features

  • 80C52 Compatible.
  • 8051 Instruction Compatible.
  • Six 8-bit I/O Ports (64 Pins or 68 Pins Versions).
  • Four 8-bit I/O Ports (44 Pins Version).
  • Three 16-bit Timer/Counters.
  • 256 Bytes Scratch Pad RAM.
  • 9 Interrupt Sources with 4 Priority Levels.
  • Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply (AT89S64 Only).
  • ISP (In-System Programming) Using Standard VCC Power Supply.
  • 2048 Bytes Boot ROM Cont.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
AT89S52 8-bit Microcontroller
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AT89S8253 8-Bit Microcontroller
AT8958252 8-bit Microcontroller
AT89C51 8-Bit Microcontroller
AT89C5131A-L 8-bit Flash Microcontroller
AT89C51SND1 USB Microcontrollers

AT89S54 Distributor