Detailed Specification

Detailed Specifications

Arduino Pin Mappings

• Arduino Mega 2560

Pin Reservations

• Ethernet Shield (W5100)
  • I2C Pins
    • Pin 20 (SDA), 21 (SCL)
  • SPI Pins (Communicates through the ICSP header)
    • 11,12,13 SPI Bus(Uno/Other Atmega 328 boards)
    • Pin 10 SPI Select (All boards)
    • Pin 50,51,52 SPI Bus (Mega only)
    • Pin 53 (Reserved - Mega only)

• Ethernet shield SD card slot
  • Pin 4 SPI Select (All boards)

• Seeed Studio SD Card Shield
  • Pin 9,10,11,12,13 (Uno)

• Xbee Shield, on-board USB
  • Pins 0,1

• Additional Hardware Serial Ports
  • Port 1: Pins 18,19 (TX/RX)
  • Port 2: Pins 16,17 (TX/RX)
  • Port 3: Pins 14,15 (TX/RX)

• USB Host Shield from Circuits @ Home
  • Pins 9,10 (Default Configuration)
  • Solder traces can be cut and spliced for other configurations.