image/svg+xml
GND
3.3V
SDA
21
PB08
8
SCL
22
PB09
9
A0[2]/A1[0]
A0[3]/A1[1]
S4.0
TC4[0]
S4.1
TC4[1]
GND
VDD
INT
18
PA04
4
VREFB
A0[4]
SCL
34
PB09
9
A0[3]/A1[1]
SDA
33
PB08
8
A0[2]/A1[0]
S0.0
TC0[0]
S4.1
TC4[1]
S4.0
TC4[0]
VDD
INT
18
PA04
4
VREFB
A0[4]
SCL
34
PB09
9
A0[3]/A1[1]
SDA
33
PB08
8
A0[2]/A1[0]
S0.0
TC0[0]
S4.1
TC4[1]
S4.0
TC4[0]
GND
VDD
INT
18
PA04
4
VREFB
A0[4]
SCL
34
PB09
9
A0[3]/A1[1]
SDA
33
PB08
8
A0[2]/A1[0]
S0.0
TC0[0]
S4.1
TC4[1]
S4.0
TC4[0]
GND
VDD
INT
18
PA04
4
VREFB
A0[4]
SCL
34
PB09
9
A0[3]/A1[1]
SDA
33
PB08
8
A0[2]/A1[0]
S0.0
TC0[0]
S4.1
TC4[1]
S4.0
TC4[0]
GND
Power
GND
CircuitPython Name
Arduino Name
GPIO
INT
DAC/AREF
ADC
SERCOM
SERCOM Alt
Timer
Timer Alt
Timer Alt2
Special
I2S
PCC
Adafruit NeoTrellis M4 Express
https://www.adafruit.com/product/3938
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)
trellis m4 rev D1_breadboard.svg
Fritzing breadboard generated by brd2svg
SDA
GND
3V
SCL
D
A0
A1
29
PA02
2
VOUT0
A0[0]
30
PA05
5
VOUT1
A0[5]
S0.1
TC0[1]
MICIN
32
PA07
7
A0[7]
S0.3
TC1[1]
MICOUT
31
PA06
6
VREFC
A0[6]
S0.2
TC1[0]
SDWP
SDCD
TRRS Jack Pinout
COL0
2
PA14
14
COL1
3
PA15
15
COL2
4
PA16
0
COL3
5
PA17
1
COL4
6
PA20
4
COL5
7
PA21
5
COL6
8
PA22
6
COL7
9
PA23
7
ROW0
14
PA18
2
ROW1
15
PA19
3
ROW2
16
PB22
6
S2.2
S4.2
TC3[0]
TCC2[0]
TCC1[2]
CLK
S2.3
S4.3
TC3[1]
TCC2[1]
TCC1[3]
S1.0
S3.1
TC2[0]
TCC1[0]
TCC0[4]
DATA0
S1.1
S3.0
TC2[1]
TCC1[1]
TCC0[5]
DATA1
S5.2
S3.2
TC7[0]
TCC1[4]
TCC0[0]
SDCMD
FS0
DATA4
S5.3
S3.3
TC7[1]
TCC1[5]
TCC0[1]
SDCK
SDO
DATA5
S3.0
S5.1
TC4[0]
TCC1[6]
TCC0[2]
SDI
DATA6
S3.1
S5.0
TC4[1]
TCC1[7]
TCC0[3]
SOF 1KHZ
FS1
DATA7
S1.2
S3.2
TC3[0]
TCC1[2]
TCC0[6]
DATA2
S1.3
S3.3
TC3[1]
TCC1[3]
TCC0[7]
DATA3
S1.2
S5.2
TC7[0]
SOF 1KHZ
ROW3
PB23
7
S1.2
S5.3
TC7[1]
17
NEOPIXEL
10
PA27
11
APA102_MOSI
11/A2
PB03
3
A0[15]
S5.1
TC6[1]
APA102_SCK
12/A1
PB02
2
A0[14]
S5.0
TC6[0]
TCC2[2]
LED Control
ACCELEROMETER_SDA
ACCELEROMETER_SCL
PA12
12
PA13
13
S2.0
S4.1
TC2[0]
TCC0[6]
TCC1[2]
SDCD
S2.1
S4.0
TC2[1]
TCC0[7]
TCC1[3]
SDWP
DEN1
DEN2
0
1
Accelerometer Control