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AT91M55800A - ARM Thumb Microcontrollers

Description

The AT91M55800A is a member of the Atmel AT91 16/32-bit microcontroller family, which is based on the ARM7TDMI processor core.

This processor has a high-performance 32-bit RISC architecture with a high-density 16-bit instruction set and very low power consumption.

Features

  • Utilizes the ARM7TDMI™ ARM Thumb Processor Core.
  • High-performance 32-bit RISC Architecture.
  • High-density 16-bit Instruction Set.
  • Leader in MIPS/Watt.
  • Embedded ICE (In-Circuit Emulation).
  • 8K Bytes Internal SRAM.
  • Fully-programmable External Bus Interface (EBI).
  • Maximum External Address Space of 128M Bytes.
  • Eight Chip Selects.
  • Software Programmable 8/16-bit External Databus.
  • 8-level Priority, Individ.

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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.

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Features • Utilizes the ARM7TDMI™ ARM Thumb Processor Core – High-performance 32-bit RISC Architecture – High-density 16-bit Instruction Set – Leader in MIPS/Watt – Embedded ICE (In-Circuit Emulation) • 8K Bytes Internal SRAM • Fully-programmable External Bus Interface (EBI) – Maximum External Address Space of 128M Bytes – Eight Chip Selects – Software Programmable 8/16-bit External Databus • 8-level Priority, Individually Maskable, Vectored Interrupt Controller – Seven External Interrupts, Including a High-priority, Low-latency Interrupt Request • Fifty-eight Programmable I/O Lines www.DataSheet4U.
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