image/svg+xml
GND
VBAT
Power
GND
Control
CircuitPython Name
Arduino Name
GPIO
INT
DAC/AREF
ADC
SERCOM
SERCOM Alt
Timer
Timer Alt
Timer Alt2
QSPI/CAN
Special
I2S
PCC
Adafruit Feather M4 Express CAN
https://www.adafruit.com/product/4759
The Microchip (nee Atmel) SAMD51 is an ARM Cortex-M4F
running at 120 MHz with 192 or 256kB on-chip SRAM, up
to 1MB Flash memory and built in USB. All GPIO is 3.3V
in/out max unless otherwise stated. SERCOMs can be
used as UART (TX on SERCOM pad 0, RX on any pad), I2C
(SDA on pad 0, SCL on pad 1), or SPI (SCK on pad 1,
MOSI on pad 0 or 3, MISO on any pad remaining)
NEOPIXEL
40
PB22
6
S1.2
S5.2
TC7[0]
SOF 1KHZ
VBAT
EN
VBUS
D13
13
PA23
7
D12
12
PA22
6
D11
11
PA21
5
D10
10
PA20
4
D9
9
PA19
3
D6
6
PA18
2
D5
5
PA16
0
SCL
22
PA13
13
SDA
21
PA12
12
S3.1
S5.0
TC4[1]
TCC1[7]
TCC0[3]
CAN0RX
SOF 1KHZ
FS1
DATA7
S3.0
S5.1
TC4[0]
TCC1[6]
TCC0[2]
CAN0TX
SDI
DATA6
S5.3
S3.3
TC7[1]
TCC1[5]
TCC0[1]
SDCK
SDO
DATA5
S5.2
S3.2
TC7[0]
TCC1[4]
TCC0[0]
SDCMD
FS0
DATA4
S1.3
S3.3
TC3[1]
TCC1[3]
TCC0[7]
DATA3
S1.2
S3.2
TC3[0]
TCC1[2]
TCC0[6]
DATA2
S1.0
S3.1
TC2[0]
TCC1[0]
TCC0[4]
DATA0
S2.1
S4.0
TC2[1]
TCC0[7]
TCC1[3]
SDWP
DEN2
S2.0
S4.1
TC2[0]
TCC0[6]
TCC1[2]
SDCD
DEN1
RESET
3.3V
AREF
GND
A0
14/A0
PA02
2
VOUT0
A0[0]
A1
15/A1
PA05
5
VOUT1
A0[5]
S0.1
TC0[1]
A2
16/A2
PB08
8
A0[2]/A1[0]
S4.0
TC4[0]
A3
17/A3
PB09
9
A0[3]/A1[1]
S4.1
TC4[1]
A4
18/A4
PA04
4
VREFB
A0[4]
S0.0
TC0[0]
A5
19/A5
PA06
6
VREFC
A0[6]
S0.2
TC1[0]
SCK
25
PA17
1
S1.1
S3.0
TC2[1]
TCC1[1]
TCC0[5]
MOSI
24
PB23
7
S1.2
S5.3
TC7[1]
MISO
23
PB22
6
S1.2
S5.2
TC7[0]
D0
0
PB17
1
S5.1
TC6[1]
TCC3[1]
TCC0[5]
D1
1
PB16
0
S5.0
TC6[0]
TCC3[0]
TCC0[4]
D4
4
PA14
14
S2.2
S4.2
TC3[0]
TCC2[0]
TCC1[2]
SDCD
DATA1
SOF 1KHZ
SDWP
MCK0
SDCD
SCK0
CLK
Feather M4 Express CAN rev C_breadboard.svg
Fritzing breadboard generated by brd2svg
USB
RST
ARf
3V
A5
A4
A3
A2
A1
A0
13
5
11
10
9
SCK
MOSI
MIS
SCL
SDA
RX
TX
BAT
12
6
GND
13
En
D4
RST
CHG
L
H
CANBUS
Feather
M4 CAN
Trm
CAN_H
CAN_L
GND
CAN Bus Control
BOOST_ENABLE
41
PB13
13
CAN_RX
CAN_TX
43
PB15
15
42
PB14
14
CAN_STANDBY
40
PB12
12
S4.1
S4.3
S4.2
S4.0
TC4[1]
TCC3[1]
TCC0[1]
CAN1RX
SDWP
MCK1
TC5[1]
TCC4[1]
TCC0[3]
CAN1RX
DATA9
TC5[0]
TCC4[0]
TCC0[2]
CAN1TX
DATA8
TC4[0]
TCC3[0]
TCC0[0]
CAN1TX
SDCD
SCK1