Arduino DUE Microcontroller Board
The Arduino Due is a 32-bit microcontroller board with an ARM Cortex-M3 processor, featuring 54 I/O pins, 12 analog inputs, USB-OTG, and runs at 3.3V.
Pinout
Pins 1–40
Pins 41–80
Pins 81–82
- D0RX0
USART serial receive 0, SAM3X PA8 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D1TX0
USART serial transmit 0, SAM3X PA9 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D2PWM2
Digital GPIO 2 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic - D3PWM3
Digital GPIO 3 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic - D4PWM4
Digital GPIO 4 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic - D5PWM5
Digital GPIO 5 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic - D6PWM6
Digital GPIO 6 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic - D7PWM7
Digital GPIO 7 / PWM
Type · GPIO, PWMVoltage · 3.3 V logic - D8PWM8SCL2
Digital GPIO 8 / I2C 2 clock / PWM
Type · GPIO, PWM, I2CVoltage · 3.3 V logic - D9PWM9SDA2
Digital GPIO 9 / I2C 2 data / PWM
Type · GPIO, PWM, I2CVoltage · 3.3 V logic - D10PWM10CS
Digital GPIO 10 / SPI chip select / PWM
Type · GPIO, PWM, SPIVoltage · 3.3 V logic - D11PWM11COPI
Digital GPIO 11 / SPI controller out, peripheral in / PWM
Type · GPIO, PWM, SPIVoltage · 3.3 V logic - D12PWM12CIPO
Digital GPIO 12 / SPI controller in, peripheral out / PWM
Type · GPIO, PWM, SPIVoltage · 3.3 V logic - D13PWM13SCK
digital GPIO connected to built-in LED, SAM3X PB27 on official pinout
Type · GPIO, PWM, SPIVoltage · 3.3 V logic - D14TX3
USART serial transmit 3, SAM3X PD4 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D15RX3
USART serial receive 3, SAM3X PD5 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D16TX2
USART serial transmit 2, SAM3X PA13 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D17RX2
USART serial receive 2, SAM3X PA12 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D18TX1
USART serial transmit 1, SAM3X PA11 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D19RX1
USART serial receive 1, SAM3X PA10 on official pinout
Type · GPIO, UARTVoltage · 3.3 V logic - D20SDA
I2C serial data, SAM3X PB12 on official pinout
Type · GPIO, I2CVoltage · 3.3 V logic - D21SCL
I2C serial clock, SAM3X PB13 on official pinout
Type · GPIO, I2CVoltage · 3.3 V logic - D22
Digital GPIO 22
Type · GPIOVoltage · 3.3 V logic - D23
Digital GPIO 23
Type · GPIOVoltage · 3.3 V logic - D24
Digital GPIO 24
Type · GPIOVoltage · 3.3 V logic - D25
Digital GPIO 25
Type · GPIOVoltage · 3.3 V logic - D26
Digital GPIO 26
Type · GPIOVoltage · 3.3 V logic - D27
Digital GPIO 27
Type · GPIOVoltage · 3.3 V logic - D28
Digital GPIO 28
Type · GPIOVoltage · 3.3 V logic - D29
Digital GPIO 29
Type · GPIOVoltage · 3.3 V logic - D30
Digital GPIO 30
Type · GPIOVoltage · 3.3 V logic - D31
Digital GPIO 31
Type · GPIOVoltage · 3.3 V logic - D32
Digital GPIO 32
Type · GPIOVoltage · 3.3 V logic - D33
Digital GPIO 33
Type · GPIOVoltage · 3.3 V logic - D34
Digital GPIO 34
Type · GPIOVoltage · 3.3 V logic - D35
Digital GPIO 35
Type · GPIOVoltage · 3.3 V logic - D36
Digital GPIO 36
Type · GPIOVoltage · 3.3 V logic - D37
Digital GPIO 37
Type · GPIOVoltage · 3.3 V logic - D38
Digital GPIO 38
Type · GPIOVoltage · 3.3 V logic - D39
Digital GPIO 39
Type · GPIOVoltage · 3.3 V logic - D40
Digital GPIO 40
Type · GPIOVoltage · 3.3 V logic - D41
Digital GPIO 41
Type · GPIOVoltage · 3.3 V logic - D42
Digital GPIO 42
Type · GPIOVoltage · 3.3 V logic - D43
Digital GPIO 43
Type · GPIOVoltage · 3.3 V logic - D44
Digital GPIO 44
Type · GPIOVoltage · 3.3 V logic - D45
Digital GPIO 45
Type · GPIOVoltage · 3.3 V logic - D46
Digital GPIO 46
Type · GPIOVoltage · 3.3 V logic - D47
Digital GPIO 47
Type · GPIOVoltage · 3.3 V logic - D48
Digital GPIO 48
Type · GPIOVoltage · 3.3 V logic - D49
Digital GPIO 49
Type · GPIOVoltage · 3.3 V logic - D50
Digital GPIO 50
Type · GPIOVoltage · 3.3 V logic - D51
Digital GPIO 51
Type · GPIOVoltage · 3.3 V logic - D52
Digital GPIO 52
Type · GPIOVoltage · 3.3 V logic - D53
Digital GPIO 53
Type · GPIOVoltage · 3.3 V logic - VINpower-header
external power input barrel/header rail shown on Arduino Due pinout
Type · PowerVoltage · 6-20 V power input per official pinout - +5Vpower-header
5 V power output rail on power header and ICSP
Type · PowerVoltage · 5 V - +3V3power-header
3.3 V power output rail; Due I/O standard is 3.3 V
Type · PowerVoltage · 3.3 V - GNDmultiple
ground pins on power, digital, ICSP, and USB sections
Type · GroundVoltage · 0 V - IOREFpower-header
I/O reference voltage pin for shield compatibility
Type · PowerVoltage · 3.3 V on Arduino Due - RESETpower-header
reset line on power/header section
Type · Control - AREFanalog-header
analog reference pin
Type · Analog - D54A0analog-header
ADC channel 0, SAM3X PA16 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D55A1analog-header
ADC channel 1, SAM3X PA24 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D56A2analog-header
ADC channel 2, SAM3X PA23 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D57A3analog-header
ADC channel 3, SAM3X PA22 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D58A4analog-header
ADC channel 4, SAM3X PA6 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D59A5analog-header
ADC channel 5, SAM3X PA4 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D60A6analog-header
ADC channel 6, SAM3X PA3 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D61A7analog-header
ADC channel 7, SAM3X PA2 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D62A8analog-header
ADC channel 8, SAM3X PB17 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D63A9analog-header
ADC channel 9, SAM3X PB18 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D64A10analog-header
ADC channel 10, SAM3X PB19 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D65A11analog-header
ADC channel 11, SAM3X PB20 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V max analogue input domain - D67DAC1analog-header
DAC channel 1, SAM3X PB16 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V analogue output domain - D66DAC2analog-header
DAC channel 0, SAM3X PB15 on official pinout
Type · GPIO, AnalogVoltage · 3.3 V analogue output domain - D68CANRXCAN-header
CAN receive 0, SAM3X PA1 on official pinout
Type · GPIO, CANVoltage · 3.3 V logic - D69CANTXCAN-header
CAN transmit 0, SAM3X PA0 on official pinout
Type · GPIO, CANVoltage · 3.3 V logic - ICSP CIPOICSP
SPI CIPO/MISO on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
Type · SPIVoltage · 3.3 V logic - ICSP COPIICSP
SPI COPI/MOSI on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
Type · SPIVoltage · 3.3 V logic - ICSP SCKICSP
SPI clock on ICSP header
Type · SPIVoltage · 3.3 V logic - USB D+USB
USB differential data plus on native USB/USB1 section
Type · USB - USB D-USB
USB differential data minus on native USB/USB1 section
Type · USB
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| D0RX0 | GPIO, UART | USART serial receive 0, SAM3X PA8 on official pinout | 3.3 V logic | |
| D1TX0 | GPIO, UART | USART serial transmit 0, SAM3X PA9 on official pinout | 3.3 V logic | |
| D2PWM2 | GPIO, PWM | Digital GPIO 2 / PWM | 3.3 V logic | |
| D3PWM3 | GPIO, PWM | Digital GPIO 3 / PWM | 3.3 V logic | |
| D4PWM4 | GPIO, PWM | Digital GPIO 4 / PWM | 3.3 V logic | |
| D5PWM5 | GPIO, PWM | Digital GPIO 5 / PWM | 3.3 V logic | |
| D6PWM6 | GPIO, PWM | Digital GPIO 6 / PWM | 3.3 V logic | |
| D7PWM7 | GPIO, PWM | Digital GPIO 7 / PWM | 3.3 V logic | |
| D8PWM8SCL2 | GPIO, PWM, I2C | Digital GPIO 8 / I2C 2 clock / PWM | 3.3 V logic | |
| D9PWM9SDA2 | GPIO, PWM, I2C | Digital GPIO 9 / I2C 2 data / PWM | 3.3 V logic | |
| D10PWM10CS | GPIO, PWM, SPI | Digital GPIO 10 / SPI chip select / PWM | 3.3 V logic | |
| D11PWM11COPI | GPIO, PWM, SPI | Digital GPIO 11 / SPI controller out, peripheral in / PWM | 3.3 V logic | |
| D12PWM12CIPO | GPIO, PWM, SPI | Digital GPIO 12 / SPI controller in, peripheral out / PWM | 3.3 V logic | |
| D13PWM13SCK | GPIO, PWM, SPI | digital GPIO connected to built-in LED, SAM3X PB27 on official pinout | 3.3 V logic | |
| D14TX3 | GPIO, UART | USART serial transmit 3, SAM3X PD4 on official pinout | 3.3 V logic | |
| D15RX3 | GPIO, UART | USART serial receive 3, SAM3X PD5 on official pinout | 3.3 V logic | |
| D16TX2 | GPIO, UART | USART serial transmit 2, SAM3X PA13 on official pinout | 3.3 V logic | |
| D17RX2 | GPIO, UART | USART serial receive 2, SAM3X PA12 on official pinout | 3.3 V logic | |
| D18TX1 | GPIO, UART | USART serial transmit 1, SAM3X PA11 on official pinout | 3.3 V logic | |
| D19RX1 | GPIO, UART | USART serial receive 1, SAM3X PA10 on official pinout | 3.3 V logic | |
| D20SDA | GPIO, I2C | I2C serial data, SAM3X PB12 on official pinout | 3.3 V logic | |
| D21SCL | GPIO, I2C | I2C serial clock, SAM3X PB13 on official pinout | 3.3 V logic | |
| D22 | GPIO | Digital GPIO 22 | 3.3 V logic | |
| D23 | GPIO | Digital GPIO 23 | 3.3 V logic | |
| D24 | GPIO | Digital GPIO 24 | 3.3 V logic | |
| D25 | GPIO | Digital GPIO 25 | 3.3 V logic | |
| D26 | GPIO | Digital GPIO 26 | 3.3 V logic | |
| D27 | GPIO | Digital GPIO 27 | 3.3 V logic | |
| D28 | GPIO | Digital GPIO 28 | 3.3 V logic | |
| D29 | GPIO | Digital GPIO 29 | 3.3 V logic | |
| D30 | GPIO | Digital GPIO 30 | 3.3 V logic | |
| D31 | GPIO | Digital GPIO 31 | 3.3 V logic | |
| D32 | GPIO | Digital GPIO 32 | 3.3 V logic | |
| D33 | GPIO | Digital GPIO 33 | 3.3 V logic | |
| D34 | GPIO | Digital GPIO 34 | 3.3 V logic | |
| D35 | GPIO | Digital GPIO 35 | 3.3 V logic | |
| D36 | GPIO | Digital GPIO 36 | 3.3 V logic | |
| D37 | GPIO | Digital GPIO 37 | 3.3 V logic | |
| D38 | GPIO | Digital GPIO 38 | 3.3 V logic | |
| D39 | GPIO | Digital GPIO 39 | 3.3 V logic | |
| D40 | GPIO | Digital GPIO 40 | 3.3 V logic | |
| D41 | GPIO | Digital GPIO 41 | 3.3 V logic | |
| D42 | GPIO | Digital GPIO 42 | 3.3 V logic | |
| D43 | GPIO | Digital GPIO 43 | 3.3 V logic | |
| D44 | GPIO | Digital GPIO 44 | 3.3 V logic | |
| D45 | GPIO | Digital GPIO 45 | 3.3 V logic | |
| D46 | GPIO | Digital GPIO 46 | 3.3 V logic | |
| D47 | GPIO | Digital GPIO 47 | 3.3 V logic | |
| D48 | GPIO | Digital GPIO 48 | 3.3 V logic | |
| D49 | GPIO | Digital GPIO 49 | 3.3 V logic | |
| D50 | GPIO | Digital GPIO 50 | 3.3 V logic | |
| D51 | GPIO | Digital GPIO 51 | 3.3 V logic | |
| D52 | GPIO | Digital GPIO 52 | 3.3 V logic | |
| D53 | GPIO | Digital GPIO 53 | 3.3 V logic | |
| VIN | power-header | Power | external power input barrel/header rail shown on Arduino Due pinout | 6-20 V power input per official pinout |
| +5V | power-header | Power | 5 V power output rail on power header and ICSP | 5 V |
| +3V3 | power-header | Power | 3.3 V power output rail; Due I/O standard is 3.3 V | 3.3 V |
| GND | multiple | Ground | ground pins on power, digital, ICSP, and USB sections | 0 V |
| IOREF | power-header | Power | I/O reference voltage pin for shield compatibility | 3.3 V on Arduino Due |
| RESET | power-header | Control | reset line on power/header section | |
| AREF | analog-header | Analog | analog reference pin | |
| D54A0 | analog-header | GPIO, Analog | ADC channel 0, SAM3X PA16 on official pinout | 3.3 V max analogue input domain |
| D55A1 | analog-header | GPIO, Analog | ADC channel 1, SAM3X PA24 on official pinout | 3.3 V max analogue input domain |
| D56A2 | analog-header | GPIO, Analog | ADC channel 2, SAM3X PA23 on official pinout | 3.3 V max analogue input domain |
| D57A3 | analog-header | GPIO, Analog | ADC channel 3, SAM3X PA22 on official pinout | 3.3 V max analogue input domain |
| D58A4 | analog-header | GPIO, Analog | ADC channel 4, SAM3X PA6 on official pinout | 3.3 V max analogue input domain |
| D59A5 | analog-header | GPIO, Analog | ADC channel 5, SAM3X PA4 on official pinout | 3.3 V max analogue input domain |
| D60A6 | analog-header | GPIO, Analog | ADC channel 6, SAM3X PA3 on official pinout | 3.3 V max analogue input domain |
| D61A7 | analog-header | GPIO, Analog | ADC channel 7, SAM3X PA2 on official pinout | 3.3 V max analogue input domain |
| D62A8 | analog-header | GPIO, Analog | ADC channel 8, SAM3X PB17 on official pinout | 3.3 V max analogue input domain |
| D63A9 | analog-header | GPIO, Analog | ADC channel 9, SAM3X PB18 on official pinout | 3.3 V max analogue input domain |
| D64A10 | analog-header | GPIO, Analog | ADC channel 10, SAM3X PB19 on official pinout | 3.3 V max analogue input domain |
| D65A11 | analog-header | GPIO, Analog | ADC channel 11, SAM3X PB20 on official pinout | 3.3 V max analogue input domain |
| D67DAC1 | analog-header | GPIO, Analog | DAC channel 1, SAM3X PB16 on official pinout | 3.3 V analogue output domain |
| D66DAC2 | analog-header | GPIO, Analog | DAC channel 0, SAM3X PB15 on official pinout | 3.3 V analogue output domain |
| D68CANRX | CAN-header | GPIO, CAN | CAN receive 0, SAM3X PA1 on official pinout | 3.3 V logic |
| D69CANTX | CAN-header | GPIO, CAN | CAN transmit 0, SAM3X PA0 on official pinout | 3.3 V logic |
| ICSP CIPO | ICSP | SPI | SPI CIPO/MISO on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI | 3.3 V logic |
| ICSP COPI | ICSP | SPI | SPI COPI/MOSI on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI | 3.3 V logic |
| ICSP SCK | ICSP | SPI | SPI clock on ICSP header | 3.3 V logic |
| USB D+ | USB | USB | USB differential data plus on native USB/USB1 section | |
| USB D- | USB | USB | USB differential data minus on native USB/USB1 section |
Logical bank 1
Logical bank 2
Logical bank 3
Pin details
82 connections- D0RX0
USART serial receive 0, SAM3X PA8 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D1TX0
USART serial transmit 0, SAM3X PA9 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D2PWM2
Digital GPIO 2 / PWM
GPIO, PWMVoltage · 3.3 V logic - D3PWM3
Digital GPIO 3 / PWM
GPIO, PWMVoltage · 3.3 V logic - D4PWM4
Digital GPIO 4 / PWM
GPIO, PWMVoltage · 3.3 V logic - D5PWM5
Digital GPIO 5 / PWM
GPIO, PWMVoltage · 3.3 V logic - D6PWM6
Digital GPIO 6 / PWM
GPIO, PWMVoltage · 3.3 V logic - D7PWM7
Digital GPIO 7 / PWM
GPIO, PWMVoltage · 3.3 V logic - D8PWM8SCL2
Digital GPIO 8 / I2C 2 clock / PWM
GPIO, PWM, I2CVoltage · 3.3 V logic - D9PWM9SDA2
Digital GPIO 9 / I2C 2 data / PWM
GPIO, PWM, I2CVoltage · 3.3 V logic - D10PWM10CS
Digital GPIO 10 / SPI chip select / PWM
GPIO, PWM, SPIVoltage · 3.3 V logic - D11PWM11COPI
Digital GPIO 11 / SPI controller out, peripheral in / PWM
GPIO, PWM, SPIVoltage · 3.3 V logic - D12PWM12CIPO
Digital GPIO 12 / SPI controller in, peripheral out / PWM
GPIO, PWM, SPIVoltage · 3.3 V logic - D13PWM13SCK
digital GPIO connected to built-in LED, SAM3X PB27 on official pinout
GPIO, PWM, SPIVoltage · 3.3 V logic - D14TX3
USART serial transmit 3, SAM3X PD4 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D15RX3
USART serial receive 3, SAM3X PD5 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D16TX2
USART serial transmit 2, SAM3X PA13 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D17RX2
USART serial receive 2, SAM3X PA12 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D18TX1
USART serial transmit 1, SAM3X PA11 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D19RX1
USART serial receive 1, SAM3X PA10 on official pinout
GPIO, UARTVoltage · 3.3 V logic - D20SDA
I2C serial data, SAM3X PB12 on official pinout
GPIO, I2CVoltage · 3.3 V logic - D21SCL
I2C serial clock, SAM3X PB13 on official pinout
GPIO, I2CVoltage · 3.3 V logic - D22
Digital GPIO 22
GPIOVoltage · 3.3 V logic - D23
Digital GPIO 23
GPIOVoltage · 3.3 V logic - D24
Digital GPIO 24
GPIOVoltage · 3.3 V logic - D25
Digital GPIO 25
GPIOVoltage · 3.3 V logic - D26
Digital GPIO 26
GPIOVoltage · 3.3 V logic - D27
Digital GPIO 27
GPIOVoltage · 3.3 V logic - D28
Digital GPIO 28
GPIOVoltage · 3.3 V logic - D29
Digital GPIO 29
GPIOVoltage · 3.3 V logic - D30
Digital GPIO 30
GPIOVoltage · 3.3 V logic - D31
Digital GPIO 31
GPIOVoltage · 3.3 V logic - D32
Digital GPIO 32
GPIOVoltage · 3.3 V logic - D33
Digital GPIO 33
GPIOVoltage · 3.3 V logic - D34
Digital GPIO 34
GPIOVoltage · 3.3 V logic - D35
Digital GPIO 35
GPIOVoltage · 3.3 V logic - D36
Digital GPIO 36
GPIOVoltage · 3.3 V logic - D37
Digital GPIO 37
GPIOVoltage · 3.3 V logic - D38
Digital GPIO 38
GPIOVoltage · 3.3 V logic - D39
Digital GPIO 39
GPIOVoltage · 3.3 V logic - D40
Digital GPIO 40
GPIOVoltage · 3.3 V logic - D41
Digital GPIO 41
GPIOVoltage · 3.3 V logic - D42
Digital GPIO 42
GPIOVoltage · 3.3 V logic - D43
Digital GPIO 43
GPIOVoltage · 3.3 V logic - D44
Digital GPIO 44
GPIOVoltage · 3.3 V logic - D45
Digital GPIO 45
GPIOVoltage · 3.3 V logic - D46
Digital GPIO 46
GPIOVoltage · 3.3 V logic - D47
Digital GPIO 47
GPIOVoltage · 3.3 V logic - D48
Digital GPIO 48
GPIOVoltage · 3.3 V logic - D49
Digital GPIO 49
GPIOVoltage · 3.3 V logic - D50
Digital GPIO 50
GPIOVoltage · 3.3 V logic - D51
Digital GPIO 51
GPIOVoltage · 3.3 V logic - D52
Digital GPIO 52
GPIOVoltage · 3.3 V logic - D53
Digital GPIO 53
GPIOVoltage · 3.3 V logic - VINpower-header
external power input barrel/header rail shown on Arduino Due pinout
PowerVoltage · 6-20 V power input per official pinout - +5Vpower-header
5 V power output rail on power header and ICSP
PowerVoltage · 5 V - +3V3power-header
3.3 V power output rail; Due I/O standard is 3.3 V
PowerVoltage · 3.3 V - GNDmultiple
ground pins on power, digital, ICSP, and USB sections
GroundVoltage · 0 V - IOREFpower-header
I/O reference voltage pin for shield compatibility
PowerVoltage · 3.3 V on Arduino Due - RESETpower-header
reset line on power/header section
Control - AREFanalog-header
analog reference pin
Analog - D54A0analog-header
ADC channel 0, SAM3X PA16 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D55A1analog-header
ADC channel 1, SAM3X PA24 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D56A2analog-header
ADC channel 2, SAM3X PA23 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D57A3analog-header
ADC channel 3, SAM3X PA22 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D58A4analog-header
ADC channel 4, SAM3X PA6 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D59A5analog-header
ADC channel 5, SAM3X PA4 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D60A6analog-header
ADC channel 6, SAM3X PA3 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D61A7analog-header
ADC channel 7, SAM3X PA2 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D62A8analog-header
ADC channel 8, SAM3X PB17 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D63A9analog-header
ADC channel 9, SAM3X PB18 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D64A10analog-header
ADC channel 10, SAM3X PB19 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D65A11analog-header
ADC channel 11, SAM3X PB20 on official pinout
GPIO, AnalogVoltage · 3.3 V max analogue input domain - D67DAC1analog-header
DAC channel 1, SAM3X PB16 on official pinout
GPIO, AnalogVoltage · 3.3 V analogue output domain - D66DAC2analog-header
DAC channel 0, SAM3X PB15 on official pinout
GPIO, AnalogVoltage · 3.3 V analogue output domain - D68CANRXCAN-header
CAN receive 0, SAM3X PA1 on official pinout
GPIO, CANVoltage · 3.3 V logic - D69CANTXCAN-header
CAN transmit 0, SAM3X PA0 on official pinout
GPIO, CANVoltage · 3.3 V logic - ICSP CIPOICSP
SPI CIPO/MISO on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
SPIVoltage · 3.3 V logic - ICSP COPIICSP
SPI COPI/MOSI on ICSP header; official note says CIPO/COPI previously referred to as MISO/MOSI
SPIVoltage · 3.3 V logic - ICSP SCKICSP
SPI clock on ICSP header
SPIVoltage · 3.3 V logic - USB D+USB
USB differential data plus on native USB/USB1 section
USB - USB D-USB
USB differential data minus on native USB/USB1 section
USB
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Boards · HATs, Shields & add-ons · 270 parts
16-Ch Servo Driver Breakout for micro:bit, I2C visual previewOther MCUs
Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
Boards · Other MCU boards · 229 parts
Adafruit DVI Breakout Board for HDMI Source Devices visual previewPi Pico
The Raspberry Pi MCU line — Pico, Pico 2, and third-party boards on the same silicon — plus a deep bench of Pico-pinout displays, loggers, and radio modules that do nothing without a Pico plugged in.
Boards · Pico & RP2040 boards · 43 parts