Datasheet4U Logo Datasheet4U.com

AT91M42800A - AT91 ARM Thumb Microcontrollers

General Description

The AT91M42800A 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.

Key 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 64M Bytes.
  • Up to 8 Chip Selects.
  • Software Programmable 8/16-bit External Data Bus 8-channel Peripheral Data Controller 8-level Priori.

📥 Download Datasheet

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 • 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 64M Bytes – Up to 8 Chip Selects – Software Programmable 8/16-bit External Data Bus 8-channel Peripheral Data Controller 8-level Priority, Individually Maskable, Vectored Interrupt Controller – 5 External Interrupts, Including a High-priority, Low-latency Interrupt Request 54 Programmable I/O Lines 6-channel 16-bit Timer/Counter – 6 External Clock Inputs, 2 Multi-purpose I/O Pins per Channel 2 USARTs – 2 Dedicated Peripheral Data Controller (PDC) Channels per USART – Support for up to