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Atmel AT91SAM7A3

The Atmel AT91SAM7A3 is an ARM7TDMI based High-performance 32-bit RISC Microcontroller with Thumb extensions with USB Device Interface, 62 I/O Pins, Memory Controller, Reset Controller, Clock Generator, Debug Unit, Power Management Controller, Advanced Interrupt Controller, Periodic Interval Timer, Windowed Watchdog, Real-time Clock, Three 3-channel 16-bit Timer/Counters, 8-channel PWM, Three USARTs, 2 Synchronous Serial Controllers (SSC), 2 Serial Peripheral Controllers (SPI), 2wire Interface, Two 8-channel 10-bit ADC, Multimedia Card Interface (MCI), Two CAN 2.0B Controllers, 256K Bytes Flash, 32 KBytes SRAM.

[Chip Vendor] [Distributors]

Development Tools
Compiler, Assembler, Linker, Debugger
JTAG Debuggers
Data Sheets
Datasheet for the Atmel AT91SAM7A3
3,413,725 bytes

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Application Notes
Header Files
FLASH Utilities
MDK Middleware
The following middleware components are pre-configured in MDK-Professional
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.

  • Analog/Digital Converters 0-1
  • Embedded Flash Controller
  • Multimedia Card Interface
  • Pulse Width Modulation Controller
  • Serial Peripheral Interfaces 0-1
  • Shutdown Controller
  • Synchronous Serial Controllers 0-1
  • Two-wire Interface
  • USB Device Interface

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