ARDUINO UNO_V2

18 FEB 2013 BY ND www.pighixxx.com ver 2 rev 2 - 05.03.2013 Co nn ec te d to t he A TM eg a an d us ed f or U SB p ro gr am an d co mm un ic at in g wi th i t UNO ARDUINO THE DEFINITIVE PINOUT DIAGRAM PO W ER JACK U SB JACK 0 RXD PCINT162 PD0 1 TXD PCINT17 RX TX3 PD1 2 INT0 PCINT184 PD2 3 INT1 PCINT19 PWM OC2B5 PD3 6 AIN0 PCINT22 PWM OC0A12 PD6 10 OC1B PCINT2 PWM SS16 PB2 11 OC2A PCINT3 PWM MOSI17 PB3 GND AREF21 AREF 12 PCINT4 MISO18 PB4 8 CLKO PCINT0 ICP114 PB0 7 AIN1 PCINT2313 PD7 5 T1 PCINT21 PWM11 PD5 9 OC1A PCINT1 PWM15 PB1 4 T0 PCINT20 XCK6 PD4 13 PCINT5 SCK19 PB5 PCINT12 ADC4 SDA27 PC4 18 A4 PCINT13 ADC5 SCL28 PC5 19 A5 SCL ADC5 PCINT13 28 PC519 A5 SDA ADC4 PCINT12 27 PC418 A4 RESET PCINT14 1 PC6 ADC3 PCINT11 26 PC317 A3 ADC2 PCINT10 25 PC216 A2 ADC1 PCINT9 24 PC115 A1 ADC0 PCINT8 23 PC014 A0 VIN GND GND 5V IOREF 3V3 RESET PCINT14 1 PC6 11 OC2A PCINT3 PWM MOSI17 PB3 12 PCINT4 MISO18 PB4 13 PCINT5 SCK19 PB5 GND 5V MOSI2 MISO2 RESET2 SCK2 GND 5V Not Connected AT ME GA 8U 2/ AT ME GA 16 U2 I CS P RESET Button Cut to disable the auto-reset R3 Only R3 Only Absolute max 200mA for entire package Absolute max per pin 40mA reccomended 20mA The input voltage to the Arduino board when it is running from external power. Not USB bus power. GND Power Control Physical Pin Port Pin Pin Function Digital Pin Analog Related Pin PWM Pin Serial Pin IDE Source Total 150mA 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 AT M EG A 32 8 RESET PC6PCINT14 RXD PD0PCINT160 TXD PD1PCINT171 INT0 PD2PCINT182 INT1 PD3PCINT193OC2B PWM XTAL1 PB6PCINT6OSC1 XTAL2 PB7PCINT7OSC2 XCK PD4PCINT204T0 CLKO PB0PCINT08ICP1 VCC VCC AREF GND GND T1 PD5PCINT215PWMOC0B AIN0 PD6PCINT226PWMOC0A AIN1 PD7PCINT237 OC1APB1 PCINT1 9 PWM OC1BPB2 PCINT2 10 PWM SS OC2APB3 PCINT3 11 PWM MOSI ADC4PC4 PCINT12 A4 SDA ADC5PC5 PCINT13 A5 SCL MISOPB4 PCINT4 12 SCKPB5 PCINT5 13 ADC0PC0 PCINT8 A0 ADC1PC1 PCINT9 A1 ADC2PC2 PCINT10 A2 ADC3PC3 PCINT11 A3 2.1mmVIN GND 7-12V Depending on current drawn USB JACK TYPE B This provides a logic reference voltage for shields that use it. It is connected to the 5V bus.