Keil Logo

Atmel AT91FR4081

The Atmel AT91FR4081 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions, Fully Programmable External Bus Interface, up to 64MB Address Space and 8 Chip Selects, 512K Words 16-bit Flash Memory, 8K+128K Bytes Internal RAM, 32 Programmable I/O Lines, 8-level Priority, Individually Maskable, Vectored Interrupt Controller, 4 External interrupts, including a High-priority Low-latency Interrupt Request, 3-channel 16-bit Timer/Counter, 3 External Clock Inputs, 2 Multi-purpose I/O Pins per Chan., 2 USARTs, 2 Dedicated Peripheral Data Controller Channels per USART, Programmable Watchdog Timer, Advanced Power-saving Features.

*** EOL Notice ***
This device's End-Of-Life date is November 17, 2003.

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
JTAG Debuggers
Data Sheets
Datasheet for the Atmel AT91FR4081
Datasheet
228,877 bytes
User's Guide for the Atmel AT91FR4081
User's Guide
1,936,060 bytes

Get Adobe Acrobat Reader

Application Notes
Emulators
FLASH Utilities
Real-Time OS
Simulated Features

The following on-chip peripherals are simulated by the Keil Software µVision Debugger.

The following on-chip peripherals are not simulated.

  • Flash Memory

  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.