Detailed Specification: Difference between revisions
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=== Pin Reservations === | === Pin Reservations === | ||
*[http://www.arduino.cc/en/Main/ArduinoEthernetShield Ethernet Shield (W5100)] | *[http://www.arduino.cc/en/Main/ArduinoEthernetShield Ethernet Shield (W5100)] | ||
**I2C Pins | |||
***Pin 20 (SDA), 21 (SCL) | |||
**SPI Pins (Communicates through the ICSP header) | **SPI Pins (Communicates through the ICSP header) | ||
***11,12,13 SPI Bus(Uno/Other Atmega 328 boards) | ***11,12,13 SPI Bus(Uno/Other Atmega 328 boards) | ||
Revision as of 14:51, 20 November 2011
Detailed Specifications
Arduino Pin Mappings
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)
- I2C Pins
- 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.