Atmel AT91M40400

The Atmel AT91M40400 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, 4K 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.

*** EOL Notice ***
This device's End-Of-Life date is January 1, 2000.

Development Tools Compiler, Assembler, Linker, Debugger MDK-ARM (Microcontroller Development Kit) Keil MDK-Lite Download Keil JTAG Debuggers ULINK-ME Keil ULINK2 Keil ULINKPro Keil J-Link ARM SEGGER Microcontroller Data Sheets Datasheet 1,472,133 bytes User's Guide 1,936,060 bytes Application Notes AT91 Application Notes Atmel FLASH Utilities ULINK-ME Keil ULINK2 Keil ULINKPro Keil J-Link ARM SEGGER Microcontroller

Real-Time OS RTX Real-Time Operating System Keil Simulated Features The following on-chip peripherals are simulated by the Keil Software µVision Debugger. Advanced Interrupt Controller External Bus Interface Parallel I/O Controller (32 I/O Lines) Power Saving Special Functions System Clock Timer/Counter Block (3 Channels) USART 0 USART 1 Watchdog Timer