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MEGAARDUINO
THEUNOFFICIAL
PINOUT DIAGRAM
30 JAN 2013
www.pighixxx.com
BY PIGHIXXX
GNDPOWER
PORT PINATMEGA PIN FUNC
DIGITAL PINANALOG-RELATED PIN
PWM PINSERIAL PIN
CONTROLPHYSICAL PIN
LEGEND
Pay Attention
No ReallyPAY ATTENTION
General Information
LED
version 1.0 05/02/2012
POW
ERJACK
USB
JACK
GND
VIN
7 - 12V dependingon current drawn
3 TXD0PE1
2 PE0 RXD0 PCINT8
43 PD0 INT0 SCL
44 PD1 INT1 SDA
45 PD2 INT2 RXD1
46 PD3 INT3 TXD1
12 PH0 RXD2
13 PH1 TXD2
63 PJ0 PCINT9 RXD3
64 PJ1 PCINT10 TXD3
15
16
PH3 OC4A
OC4BPH4
PCINT8
1
5
PG5 OC0B
OC3APE3
6
3
PE4 OC3B
OC3CPE5
INT4
INT5
AIN1
25
26
PB6 OC1B
OC0A OC1CPB7
PCINT6
PCINT7
17
18
PH5 OC4C
OC2BPH6
23
24
PB4 OC2A
OC1APB5
PCINT4
PCINT5
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
SDA
SCLR3 Only
AREF
GND
Conn
ecte
d to
the
ATM
ega
and
used
for
USB
pro
gram
and
com
mun
icat
ing
with
it
GND
GND
Vin
5V
3V3
IOREF
RESET
R3 Only
Reserved
82PK7
PK6
ADC15
ADC14
PCINT23
PCINT22 8384PK5
PK4
ADC13
ADC12
PCINT21
PCINT20 85
86PK3
PK2
ADC11
ADC10
PCINT19
PCINT18 87
88PK1
PK0
ADC9
ADC8
PCINT17
PCINT16 89
90PF7
PF6
ADC7
ADC6
TDI
TDO 9192PF5
PF4
ADC5
ADC4
TMS
TCK 93
94PF3
PF2
ADC3
ADC2 95
96PF1
PF0
ADC1
ADC0 97
98
56
58
60
PC154 A9
PC3 A11
PC5 A13
PC7 A15
72 PA6 AD674 PA4 AD4
AD276 PA2
77 PA1 AD1
75 PA3 AD3
73 PA5 AD571 PA7 AD7
59 PC6 A14
57 PC4 A12
55 PC2 A10
53 PC0 A8
50PD7T0
52PG1RD
42PL7
40PL5OC5C
38PL3OC5A36PL1ICP5
22PB3PCINT3MISO
MOSI
20PB1PCINT1
19PB0PCINT0
21PB2PCINT2
35PL0ICP437PL2T5
39PL4OC5B
41PL6
51PG0WR
70PG2ALE
5V
5VGND
GND
78 PA0 AD0
PWM
PWM
PWM
SS
SCK
Absolute max 200mAfor entire package
Absolute max per pin 40mAreccomended 20mA
ICSP
GND
MOSI
5V
MISO
SCK
RESET
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
AREF
GND
13
12
11
10
9
8
7
6
5
4
3
2
1
0
14
15
16
17
18
19
20
21
TX3
RX3
TX2
RX2
TX1
RX1
SDA
SCL
IOREF
RESET
3.3V
5V
GND
GND
Vin
22242628303234363840424446485052
313335373941434547495153
GNDANALOG IN
COMUNICATIONPWM
POWER
DIGITAL