This work is licensed under the Creative Commons
Attribution-ShareAlike 4.0 International License. To view
a copy of this license, visit http://creativecommons.
org/licenses/by-sa/4.0/ or send a letter to Creative
Commons, PO Box 1866, Mountain View, CA 94042, USA.
Ground
Power
LED
Internal Pin
SWD Pin
Digital Pin
Analog Pin
Other Pin
Microcontroller’s Port
Default
Last update: 15/12/2021
RESET
PC6
AIN[0]
AIN[1]
AIN[2]
AIN[3]
AIN[4]
AIN[5]
PD0
PD1
PD2
PD3
PD4
PD5 A5
A2
A1
A0
D14
D15
D16A2
D17
D18
D19
A0
A1
A3
A4
A5
IOREF
NC
+3V3
+5V
GND
GND
VIN
RGB LED
D12
D11
~D10
~D9
D8
D7
~D6
~D5
D4
~D3
D2
D1/TX
D0/RX
D21/SCL
D20/SDA
AREF
GND
D13
PA3
PA2
PD7
PE2
PE1
PE0
PB1
PB0
PE3
PA1
PF4
PB2
PC6
PF5
PA0
PC4
PC5
LED_BUILTIN
TX LED
RX LED
Power
ATMEGA32U4
Controlled by NINA
PD06
PD07
PD06
STORE.ARDUINO.CC/UNO-WIFI-REV2
MAXIMUM current per pin
40mA, 20mA recommended
MAXIMUM current 200mA
for the entire package
The total current of each port
power group should not
exceed 100mA
VIN 7-12 V input to the board.
NOTE: CIPO/COPI have previously
been referred to as MISO/MOSI
Analog
Communication
Timer
Interrupt
Sercom
This work is licensed under the Creative Commons
Attribution-ShareAlike 4.0 International License. To view
a copy of this license, visit http://creativecommons.
org/licenses/by-sa/4.0/ or send a letter to Creative
Commons, PO Box 1866, Mountain View, CA 94042, USA.
Ground
Power
LED
Internal Pin
SWD Pin
Digital Pin
Analog Pin
Other Pin
Microcontroller’s Port
Default
Last update: 15/12/2021
RESET
PC6
AIN[0]
AIN[1]
AIN[2]
AIN[3]
AIN[4]
AIN[5]
AIN[0]
AIN[1]
AIN[2]
AIN[3]
AIN[4]
AIN[5]
PD0
PD1
PD2
PD3
PD4
PD5 A5
A2
A1
A0
D14
D15
D16A2
D17
D18
D19
A0
A1
A3
A4
A5
IOREF
NC
+3V3
+5V
GND
GND
VIN
TCA0-WO4
TCA0-WO3
TCA0-WO2
TCA0-WO1
TCA0-WO0
TCA0-WO5
INT[22]
INT[24]
INT[25]
INT[26]
INT[27]
INT[28]
INT[29]
D12
D11
~D10
~D9
D8
D7
~D6
~D5
D4
~D3
D2
D1/TX
D0/RX
D21/SCL
D20/SDA
AREF
GND
D13
SCL INT[3]
TCA0-WO3/TCB1-WO
PA3
PA2 SDA INT[2]
TCA0-WO2/TCB0-WO
PD7 INT[31]
VREFA/AIN[7]
PE2 SCK INT[34]
TCA0-WO2AIN[10]
PE1 CIPO INT[33]
TCA0-WO1AIN[9]
PE0 COPI INT[32]
TCA0-WO0AIN[8]
PB1 INT[10]
TCA0-WO1
PB0 INT[9]
TCA0-WO0
PE3 SS INT[35]
TCA0-WO3AIN[11]
PA1 INT[1]
TCA0-WO1
PF4 INT[44]
TCA0-WO4/TCB0-WOAIN[14]
PB2 INT[11]
TCA0-WO2
PC6 INT[22]
PF5 INT[45]
TCA0-WO5/TCB1-WO
AIN[15]
PA0 INT[0]
TCA0-WO0
PC4 TX1 INT[20]
TCA0-WO4
PC5 RX1 INT[21]
TCA0-WO5
UARTI2C SPI SPI
LED_BUILTIN
TX LED
RX LED
Power
ATMEGA32U4
PD06
PD07
PD06
RGB LED
Controlled by NINA
MAXIMUM current per pin
40mA, 20mA recommended
MAXIMUM current 200mA
for the entire package
The total current of each port
power group should not
exceed 100mA
VIN 7-12 V input to the board.
STORE.ARDUINO.CC/UNO-WIFI-REV2
NOTE: CIPO/COPI have previously
been referred to as MISO/MOSI
Analog
Communication
Timer
Interrupt
Sercom
This work is licensed under the Creative Commons
Attribution-ShareAlike 4.0 International License. To view
a copy of this license, visit http://creativecommons.
org/licenses/by-sa/4.0/ or send a letter to Creative
Commons, PO Box 1866, Mountain View, CA 94042, USA.
Ground
Power
LED
Internal Pin
SWD Pin
Digital Pin
Analog Pin
Other Pin
Microcontroller’s Port
Default
Last update: 15/12/2021
ATMEGA4809
ECC608
SDA
SDAINT[2]TCA0-WO2/TCB0-WO PA2
SCL
SCL
INT[3]TCA0-WO3/TCB1-WO PA3
PC1
PC2
PC0
TRG_RST
1CIPO
2+5V
3CLK
4COPI
5RESET
6GND
ICSP
CIPO
SCK/SDA
COPI TCA0-WO0/TCB2-WO
TCA0-WO1/TCB3-WO
TCA0-WO2
INT[17]
INT[18]
INT[16]
5 3 1
6 4 2
PE06/UDPI
UPDI
PD02/DBG_TX
RX0INT[13]TCA0-WO5/TCB3-WO PB5
PD03/DBG_RX
TX0INT[12]TCA0-WO4/TCB2-WO PB4
PD04/TRG_RST
INT[46]PF6
PB05/TRG_RSTSNS
INT[46]PF6
ATMEGA32U4
COPI
CIPO
SDA
SCK/SDA
SCK
SS
SCL
COPI
CIPO
SCL
SDA
INT[16]
INT[17]
INT[42]
INT[18]
INT[6]
INT[8]
INT[43]
INT[4]
INT[5]
INT[3]
INT[2]
TCA0-WO0/TCB2-WO
TCA0-WO1/TCB3-WO
TCA0-WO2
TCA0-WO2
TCA0-WO3
TCA0-WO4
TCA0-WO5
TCA0-WO3/TCB1-WO
TCA0-WO2/TCB0-WO
PE06
PB05
36-GPIO12/NINA_COPI
PC0
1-SPIV_DI/NINA_CIPO
PC1
PF2
PC2
27-GPIO0/NINA_GPIO0
PA6
19-RESET/NINA_RESET
PA7
7-GPIO_33/NINA_ACK
PF3
22-UART_RXD/NINA_RX
PA4
23-UART_TXD/NINA_TX
PA5
NINA_SCL
PA3
NINA_SDA
PA2
NINA_UDPI
UDPI
NINA_RESET
AIN[12]
AIN[13]
21-UART_CTS/
28-SPIV_CS /NINA_CS
20-UART_CTS/
29-SPIV_CLK/NINA_SCK
ATMEGA16U2
VBUS
D-USB D-
D+USB D+
GND
NINA W102
ATMEGA32U4
MAXIMUM current per pin
40mA, 20mA recommended
MAXIMUM current 200mA
for the entire package
The total current of each port
power group should not
exceed 100mA
VIN 7-12 V input to the board.
STORE.ARDUINO.CC/UNO-WIFI-REV2
NOTE: CIPO/COPI have previously
been referred to as MISO/MOSI
Analog
Communication
Timer
Interrupt
Sercom
This work is licensed under the Creative Commons
Attribution-ShareAlike 4.0 International License. To view
a copy of this license, visit http://creativecommons.
org/licenses/by-sa/4.0/ or send a letter to Creative
Commons, PO Box 1866, Mountain View, CA 94042, USA.
Ground
Power
LED
Internal Pin
SWD Pin
Digital Pin
Analog Pin
Other Pin
Microcontroller’s Port
Default
Last update: 15/12/2021
BOTTOM
SDA
COPIINT[16]TCA0-WO0/TCB2-WO PC0
SD0/SA0
CIPOINT[17]TCA0-WO1/TCB3-WO PC1
CS
INT[12]TCA0-WO3 PB3
SCL
SCK/SDAINT[18]TCA0-WO2 PC2
INT1
INT[23]PC7
ATMEGA16U2 MDBG
RST
GND
PB01/SCK
1
2
3
PB02/COPI
PB03/CIPO
+5V
4
5
6
7-12 V
IMU 6-AXIS
LSM6DSMTR
5
3
1
6
4
2
Y
X
Z
MAXIMUM current per pin
40mA, 20mA recommended
MAXIMUM current 200mA
for the entire package
The total current of each port
power group should not
exceed 100mA
VIN 7-12 V input to the board.
STORE.ARDUINO.CC/UNO-WIFI-REV2
NOTE: CIPO/COPI have previously
been referred to as MISO/MOSI
-
1
-
2
-
3
-
4
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