Datasheet4U Logo Datasheet4U.com

AT91M40400 - 16/32-Bit Microcontroller

General Description

The AT91M40400 is a member of the Atmel AT91 16/32-bit Microcontroller family which is based on the ARM7TDMI embedded processor.

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

Key Features

  • Incorporates the ARM7TDMI ™ ARM Thumb processor.
  • High-performance 32-bit RISC architecture.
  • High-density 16-bit instruction set.
  • Leader in MIPS/Watt.
  • Embedded ICE In Circuit Emulation 4K bytes internal RAM Fully programmable External Bus Interface (EBI).
  • Maximum external address space of 64M bytes.
  • Up to eight chip selects.
  • Software programmable 8/16-bit external databus Eight-level priority, individually maskable, vectored.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
AT91M40807 AT91 ARM Thumb Microcontroller ATMEL
AT912AXS High Speed 12-Bit A/D Converter Anloy Technologies
AT9173 Bus Termination Regulator Attansic
AT9173 Bus Termination Regulator AME
AT91C140 Microcontrollers ATMEL

Other Datasheets by Atmel (now Microchip Technology)

Part Number Description
AT91M40008 ARM7TDMI ARM Thumb Processor
AT91M40800 AT91 ARM Thumb Microcontrollers
AT91M42800A AT91 ARM Thumb Microcontrollers
AT91M43300 ARM Thumb Microcontrollers
AT91M55800 ARM Thumb Microcontrollers

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 • Incorporates the ARM7TDMI ™ ARM Thumb processor – High-performance 32-bit RISC architecture – High-density 16-bit instruction set – Leader in MIPS/Watt – Embedded ICE In Circuit Emulation 4K bytes internal RAM Fully programmable External Bus Interface (EBI) – Maximum external address space of 64M bytes – Up to eight chip selects – Software programmable 8/16-bit external databus Eight-level priority, individually maskable, vectored interrupt controller – Four External interrupts, including a high priority low latency interrupt request 32 Programmable I/O lines Three-channel 16-bit timer/counter – Three external clock inputs – Two multi-purpose I/O pins per channel Two USARTs – Two dedicated Peripheral Data Controller (PDC) channels per USART Programmable watchdog timer Low-power