ARDUINO

Feb 18, 2013 - GND. Power. Control. Physical Pin. Port Pin. Pin Function. Digital Pin. Analog Related Pin. PWM Pin. Serial Pin. IDE. Source Total 150mA. 1. 2.
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PC6

1

28

PC5

PCINT13

ADC5

A5

SCL

PCINT16

PD0

2

27

PC4

PCINT12

ADC4

A4

SDA

PCINT17

PD1

3

26

PC3

PCINT11

ADC3

A3

PCINT18

PD2

4

25

PC2

PCINT10

ADC2

A2

PWM

3

INT1

PCINT19

PD3

5

24

PC1

PCINT9

ADC1

A1

T0

4

XCK

PCINT20

PD4

6

23

PC0

PCINT8

ADC0

A0

PCINT5

SCK

13

7 8

OSC1

XTAL1

PCINT6

PB6

OSC2

XTAL2

PCINT7

PB7

10

9

22

GND

21

AREF

USB JACK TYPE B

VCC

20

PWM

5

T1

PCINT21

PD5

11

18

PB4

PCINT4

MISO

12

OC0A

PWM

6

AIN0

PCINT22

PD6

12

17

PB3

PCINT3

OC2A

11

PWM

MOSI

7

AIN1

PCINT23

PD7

13

16

PB2

PCINT2

OC1B

10

PWM

SS

ICP1

8

CLKO

PCINT0

PB0

14

15

PB1

PCINT1

OC1A

9

PWM

2.1mm

VIN

RESET Button

28 PC5 27 PC4 21 AREF

This provides a logic reference voltage for shields that use it. It is connected to the 5V bus.

Not Connected R3 Only IOREF RESET PCINT14 1 PC6 3V3 input voltage to the Arduino board when 5V it is running from external power. GND Not USB bus power. GND VIN

ADC0 ADC1 ADC2 ADC3 ADC4 ADC5

SDA SCL

PCINT8 PCINT9 PCINT10 PCINT11 PCINT12 PCINT13

14 15 16 17 18 19

RESET

A0 A1 A2 A3 A4 A5

23 24 25 26 27 28

PC0 PC1 PC2 PC3 PC4 PC5

1 PC6

PCINT14

Absolute max per pin 40mA reccomended 20mA Absolute max 200mA for entire package

Cut to disable the auto-reset

The

PINOUT DIAGRAM 5V

GND

UNO

USB JACK

POWER JACK

7-12V Depending on current drawn

ARDUINO

SCK2 MISO2

OC0B

MOSI2

19

PB5

THE DEFINITIVE

19 PB5 18 PB4

13 12

17 PB3

11

19 A5 18 A4

PCINT13 PCINT12

19 18 17 16 15 14

PB5 PB4 PB3 PB2 PB1 PB0

GND 13 12 11 10 9 8

OC2A OC1B OC1A CLKO

PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0

13 12 11 6 5 4 3 2

PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0

7 6 5 4 3 2 1 0

AIN1 AIN0 T1 T0 INT1 INT0 TXD RXD

PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16

SCK MISO

PCINT5 PCINT4

www.pighixxx.com BY

ND

18 FEB 2013 ver 2 rev 2 - 05.03.2013

GND

5V

OC2A

PCINT3

PWM

MOSI

ADC5 ADC4 AREF

PWM PWM PWM

SCL SDA

SCK MISO MOSI SS ICP1

PWM PWM PWM

R3 Only

OC0A XCK OC2B

Connected to the ATMega and used for USB program and communicating with it

VCC GND

ATMEGA328

TXD INT0

GND

OC2B

1 2

ATMEGA8U2/ATMEGA16U2 ICSP

PCINT14

RXD

RESET2

RESET 0

TX RX GND Power Control Physical Pin Port Pin Pin Function Digital Pin Analog Related Pin PWM Pin Serial Pin IDE Source Total 150mA