• Main processor: AVR32 UC3A0 @ 66 MHz
• Internal fast SRAM: 32KB or 64KB with single-cycle access time
• On-board SDRAM: 32MB with 2-cycle access time
• Internal Flash memory: 128/256/512KB with single-cycle access time
• External Flash memory: up to 4GB on micro SD card.
• Internal operating Voltage: 3.3V with 5V input tolerant I/O
• Digital I/O Pins: 66
• Timer/Counter: 3 channel, 16-bit.
• Analog-to-Digital input pins: 8 with 10-bit resolution measuring 0-3.3v at up to 384,000 samples per second
• Stereo audio bitstream Digital-to-Analog Converter with 16 bit resolution at up to 48kHz
• Pulse Width Modulation channels (PWM): 7
• Universal Sync/Async RX/TX (USART): 2
• Serial Periperal Interface (SPI): 2
• Two-Wire Interface (TWI): 1, I2C-compatible at up to 400kbit/s
• Universal Serial Bus (USB): 1 OTG host with dedicated cable.
• Debug Port: JTAG connector
• Ethernet MAC 10/100: 1 (requires add-on hardware module)
• Oscillators: 2 (12MHz and 32768Hz)
• Buttons: Reset button, user button
• LEDs: Power LED, User LED
• Power supply: 5V USB or 7.5V-35V DC, 80mA (base board) to 222mA (with all add-on modules)
• Dimensions: 96,5mm x 63,5mm
• Weight: 42.5 grams
• Temperature range: -45 to +85°C

Embedded Hardware interfaces

• MicroSD
• USB
• JTAG
• Add-on bus connectors 1-6 interfaces on the Add-on Bus
• 12 General Purpose I/O pins
• 2 UARTs: one basic, one with modem control signals
• 2 SPI
• I2C interface with 2-way splitter
• 8 ADC inputs
• 3 high-resolution timers
• Ethernet

Optional Stacked Modules

• 
  Ethernet and Real Time Clock
• 
  RS232 serial port
• 
  16x2-character LCD display
• 
  VGA display, PS/2 keyboard + mouse and audio output
• 
  PHT protoboard
• 
  SMD protoboard