Name
Pin #
Type
Section
Pin Group
Orientation
Order
PE6(INT.6/AIN0)
1
Bi-Directional
GPIO
Left
UVCC
2
Bi-Directional
I/O
Left
D-
3
Bi-Directional
Communication
Left
D+
4
Bi-Directional
Communication
Left
UGND
5
Bi-Directional
I/O
Left
UCAP
6
Bi-Directional
I/O
Left
VBUS
7
Bi-Directional
Power
Top
PB0(SS/PCINT0)
8
Bi-Directional
GPIO
Right
PB1(PCINT1/SCLK)
9
Bi-Directional
GPIO
Right
PB2(PDI/PCINT2/MOSI)
10
Bi-Directional
GPIO
Right
PB3(PD0/PCINT3/MISO)
11
Bi-Directional
GPIO
Right
PB7(PCINT7/OC0A/OC1C/~{RTS})
12
Bi-Directional
GPIO
Right
~{RESET}
13
Bi-Directional
Control
Left
VCC
14
Bi-Directional
Power
Top
GND
15
Bi-Directional
Power
Bottom
XTAL2
16
Bi-Directional
Clock
Left
XTAL1
17
Bi-Directional
Clock
Left
PD0(OC0B/SCL/INT0)
18
Bi-Directional
GPIO
Right
PD1(SDA/INT1)
19
Bi-Directional
GPIO
Right
PD2(RXD1/INT2)
20
Bi-Directional
GPIO
Right
PD3(TXD1/INT3)
21
Bi-Directional
GPIO
Right
PD5(XCLK1/~{CTS})
22
Bi-Directional
GPIO
Right
GND
23
Bi-Directional
Power
Bottom
ATMEGA32U4
