Atmel AT91M42800A

The Atmel AT91M42800A 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, 8K Bytes Internal RAM, 54 Programmable I/O Lines, 8-level Priority, Individually Maskable, Vectored Interrupt Controller, 5 External interrupts, including a High-priority Low-latency Interrupt Request, 6-channel 16-bit Timer/Counter, 6 External Clock Inputs, 2 Multi-purpose I/O Pins per Chan., 2 USARTs, 2 Dedicated Peripheral Data Controller Channels per USART, 2 Master/Slave SPI Interfaces, 3 System Timers: Period Interval Timer, 2 Dedicated Peripheral Data Controller Channels per SPI, Real-time Timer, Watchdog Timer, Clock Generator with 32.768kHz Oscillator and PLL, Power Management Controller.

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 2,725,417 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 A (30 I/O Lines) Parallel I/O Controller B (24 I/O Lines) Power Management Controller Special Functions System Clock System Timer: Period Interval Timer, Watchdog Timer, Real Time Timer Timer Counter Block 0 (3 Channels) Timer Counter Block 1 (3 Channels) USART0 USART1 The following on-chip peripherals are not simulated. Serial Peripheral Interface A Serial Peripheral Interface B