Arduino Due


Arduino Due Front View


Processor: Atmel SAM3X8E ARM Cortex-M3 (32 bit, 84MHz, 96KB RAM, 512KB Flash)
Features: 54 digital I/O pins, 12 analog input pins, 2 analog output pins, native USB port

POWER header:
NameFunction
-Not connected
IOREFLogic Reference (3.3V)
RESETRESET pin
3.3V3.3V
5V5V
GNDGround
GND
VinInput voltage (External power)

ANALOG header:
NameMCU pinFunction
A0PA16 (78)SPCK1 TD AD7
A1PA24 (79)MCDA3 PCK1 AD6
A2PA23 (80)MCDA2 TCLK4 AD5
A3PA22 (81)MCDA1 TCLK3 AD4
A4PA6 (82)TIOB2 NCS0 AD3
A5PA4 (83)TCLK1 NWAIT AD2
A6PA3 (84)TIOB1 PWMFI1 AD1 WKUP1
A7PA2 (85)TIOA1 NANDRDY AD0
A8PB17 (88)RF PWML1 AD10
A9PB18 (89)RD PWML2 AD11
A10PB19 (90)RK PWML3 AD12
A11PB20 (91)TXD2 SPI0_NPCS1 AD13
DAC0PB15 (76)CANRX1 PWMH3 DAC0 WKUP12
DAC1PB16 (77)TCLK5 PWML0 DAC1
CANRXPA1 (24)CANRX0 PCK0 WKUP0
CANTXPA0 (23)CANTX0 PWML3

PWM header:
NameMCU pinFunction
0 RX0PA8 (27)URXD PWMH0 WKUP4
1 TX0PA9 (2)UTXD PWMH3
2PB25 (144)RTS0 TIOA0 (PWM2)
3PC28 (139)A7 TIOA7 (PWM3)
4PC26 (137)A5 TIOB6 (PWM4)
PA29 (112)SPI0_NPCS1 NRD (PWM4)
5PC25 (136)A4 TIOA6 (PWM5)
6PC24 (135)A3 PWML7 (PWM6)
7PC23 (134)A2 PWML6 (PWM7)
8PC22 (133)A1 PWML5 (PWM8)
9PC21 (132)A0 NBS0 PWML4 (PWM9)
10PC29 (102)A8 TIOB7 (PWM10)
PA28 (111)SPI0_NPCS0 PCK2 WKUP11 (PWM10)
11PD7 (20)A17 BA1 TIOA8 (PWM11)
12PD8 (21)A21 NANDALE TIOB8 (PWM12)
13PB27 (68)NCS3 TIOB0 (PWM13)(LED)
GNDGround
AREFAREFAnalog Ref.
SDA1PA17 (9)TWD0 SPCK0
SCL1PA18 (70)TWCK0 A20 WKUP9

Communication header:
NameMCU pinFunction
14 TX3PD4 (17)A14 TXD3
15 RX3PD5 (18)A15 RXD3
16 TX2PA13 (6)TXD1 PWMH2
17 RX2PA12 (5)RXD1 PWML1 WKUP7
18 TX1PA11 (4)TXD0 ADTRG WKUP6
19 RX1PA10 (3)RXD0 DATRG WKUP5
20 SDAPB12 (86)TWD1 PWMH0 AD8
21 SCLPB13 (87)TWCK1 PWMH1 AD9

Digital header:
NameMCU pinFunction
5V5V
5V5V
22PB26 (1)CTS0 TCLK0 WKUP15
23PA14 (7)RTS1 TK
24PA15 (8)CTS1 TF WKUP8
25PD0 (13)A10 MCDA4
26PD1 (14)A11 MCDA5
27PD2 (15)A12 MCDA6
28PD3 (16)A13 MCDA7
29PD6 (19)A16/BA0 PWMFI2
30PD9 (22)A22/NANDCLE TCLK8
31PA7 (26)TCLK2 NCS1 WKUP3
32PD10 (32)NWR1/NBS1
33PC1 (55)
34PC2 (59)D0 PWML0
35PC3 (60)D1 PWMH0
36PC4 (116)D2 PWML1
37PC5 (63)D3 PWMH1
38PC6 (64)D4 PWML2
39PC7 (65)D5 PWMH2
40PC8 (66)D6 PWML3
41PC9 (67)D7 PWMH3
42PA19 (71)MCCK PWMH1
43PA20 (72)MCCDA PWML2
44PC19 (101)NANDOE PWMH5
45PC18 (100)NWR0/NWE PWMH6
46PC17 (99)D15 ETXER
47PC16 (98)D14 ETX3
48PC15 (97)D13 ETX2
49PC14 (96)D12 ERXCK
50PC13 (95)D11 ECOL
51PC12 (94)D10 ERX3
52PB21 (92)RXD2 SPI0_NPCS2 AD14/WKUP13
53PB14 (140)CANTX1 PWMH2
GNDGround
GNDGround

ICSP header:
NameFunction
1MISO2
2 VCC (5 V)
3SCK2
4MOSI2
5RESET2
6Ground

SPI header:
NameMCU pinFunction
1PA25 (108)MISO/D74
2 5 V
3PA27 (110)SCK/D76
4PA26 (109)MOSI/D75
5RESETRESET
6Ground

JTAG header:
NameFunction
13.3V
2 TMS
3Ground
4TCK
5Ground
6TDO
7
8TDI
9Ground
10RESET

DEBUG (SWD) header:
NameFunction
1Ground
2SWCLK/TCK
3SWDIO/TMS
4RESET

Notes:
I/O pins works at 3.3V (higher voltages could damage the board).
High-current pin: soure 15mA, sink 9mPA
Low-current pin: soure 3mA, sink 6mPA
Total current on all I/O lines: 130mPA