A000062-datasheet.pdf - 第10页
6.2 Full Pinout Table The full pinout of the Arduino Due is available in the follo wing tables. 6.2.1 Board's 24-Pin Header Pin Function Type Description 1 NC NC Not Connected 2 IOREF IOREF Reference for digital log…
6 Functional Overview
6.1 Pinout
The Arduino Due pinout is shown in the following figure.
Arduino Due pinout
Safety Note: Disconnect power before board modifications to avoid short-circuiting.
Arduino® Due
9 / 50 Arduino® Due Modified: 15/09/2026
6.2 Full Pinout Table
The full pinout of the Arduino Due is available in the following tables.
6.2.1 Board's 24-Pin Header
Pin Function Type Description
1 NC NC Not Connected
2 IOREF IOREF Reference for digital logic voltage - connected to 3.3 V
3 Reset Reset Reset
4 +3V3 Power +3V3 Power Rail
5 +5V Power +5V Power Rail
6 GND Power Ground
7 GND Power Ground
8 VIN Power Voltage Input
9 A0 Analog Analog input 0 / GPIO
10 A1 Analog Analog input 1 / GPIO
11 A2 Analog Analog input 2 / GPIO
12 A3 Analog Analog input 3 / GPIO
13 A4 Analog Analog input 4 / GPIO
14 A5 Analog Analog input 5 / GPIO
15 A6 Analog Analog input 6 / GPIO
16 A7 Analog Analog input 7 / GPIO
17 A8 Analog Analog input 8 / GPIO
18 A9 Analog Analog input 9 / GPIO
19 A10 Analog Analog input 10 / GPIO
20 A11 Analog Analog input 11 / GPIO
21 DAC0 Analog Digital to Analog Converter 0
22 DAC1 Analog Digital to Analog Converter 1
23 CANRX Digital CAN Bus Receiver
24 CANTX Digital CAN Bus Transmitter
Board's 24-Pin Header pinout
Arduino® Due
10 / 50 Arduino® Due Modified: 15/09/2026
6.2.2 Board's 26-Pin Header
Pin Function Type Description
1 D21/SCL1 Digital GPIO 21 / I2C 1 Clock
2 D20/SDA1 Digital GPIO 20 / I2C 1 Dataline
3 AREF Digital Analog Reference Voltage
4 GND Power Ground
5 D13/SCK Digital GPIO 13 / SPI Clock (PWM~)
6 D12/CIPO Digital GPIO 12 / SPI Controller In Peripheral Out (PWM~)
7 D11/COPI Digital GPIO 11 / SPI Controller Out Peripheral In (PWM~)
8 D10/CS Digital GPIO 10 / SPI Chip Select (PWM~)
9 D9/SDA2 Digital GPIO 9 / I2C 2 Dataline (PWM~)
10 D8/SCL2 Digital GPIO 8 / I2C 2 Clockline (PWM~)
11 D7 Digital GPIO 7 (PWM~)
12 D6 Digital GPIO 6 (PWM~)
13 D5 Digital GPIO 5 (PWM~)
14 D4 Digital GPIO 4 (PWM~)
15 D3 Digital GPIO 3 (PWM~)
16 D2 Digital GPIO 2 (PWM~)
17 D1/TX0 Digital GPIO 1 / Serial 0 Transmitter
18 D0/TX0 Digital GPIO 0 / Serial 0 Receiver
19 D14/TX3 Digital GPIO 14 / Serial 3 Transmitter
20 D15/RX3 Digital GPIO 15 / Serial 3 Receiver
21 D16/TX2 Digital GPIO 16 / Serial 2 Transmitter
22 D17/RX2 Digital GPIO 17 / Serial 2 Receiver
23 D18/TX1 Digital GPIO 18 / Serial 1 Transmitter
24 D19/RX1 Digital GPIO 19 / Serial 1 Receiver
25 D20/SDA Digital GPIO 20 / I2C 0 Dataline
26 D21/SCL Digital GPIO 21 / I2C 0 Clock
Board's 26-Pin Header pinout
Arduino® Due
11 / 50 Arduino® Due Modified: 15/09/2026