image/svg+xml
PWR_SWITCH
GND
RESET
3.3V
5V
GND
GND
VIN
A0
14/A0
PA02
2
VOUT0
A0[0]
A1
15/A1
PA05
5
VOUT1
A0[5]
A2
16/A2
PA06
6
VREFC
A0[6]
A3
17/A3
PA04
4
VREFB
A0[4]
A4
18/A4
PB08
8
A0[2]/A1[0]
A5
19/A5
PB09
9
A0[3]/A1[1]
S0.1
TC0[1]
S0.2
TC1[0]
SDCD
S0.0
TC0[0]
S4.0
TC4[0]
S4.1
TC4[1]
SCL
21/A7
PB03
3
SDA
20/A6
PB02
2
A0[15]
S5.1
TC6[1]
A0[14]
S5.0
TC6[0]
TCC2[2]
AREF
D13
13
PA16
0
D12
12
PA17
1
D11
11
PA19
3
D10
10
PA18
2
D9
9
PA20
4
D8
8
PA21
5
D7
7
PB12
12
D6
6
PB15
15
D5
5
PB14
14
D4
4
PB13
13
D3
3
PB16
0
D2
2
PB17
1
D1
1
PA22
6
D0
0
PA23
7
Power
GND
Control
CircuitPython Name
Arduino Name
GPIO
INT
DAC/AREF
ADC
Special
I2S
PCC
SERCOM
SERCOM Alt
Timer
Timer Alt
Timer Alt2
Adafruit Metro M4 Express
https://www.adafruit.com/product/3382
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)
Adafruit Metro M4 Express_breadboard.svg
Fritzing breadboard generated by brd2svg
Beta
40
layer 21
element:AD
package:1X06_OVALWAVE
element:C1
package:0805-NO
element:C2
package:0805-NO
element:C3
package:0805-NO
element:C4
package:0603-NO
element:C5
package:0603-NO
element:C6
package:0603-NO
element:C7
package:0603-NO
element:C8
package:0603-NO
element:C9
package:0603-NO
element:C10
package:0603-NO
element:C11
package:0603-NO
element:C12
package:0603-NO
element:C13
package:0603-NO
element:C14
package:0603-NO
element:C15
package:0603-NO
element:C16
package:0603-NO
element:C17
package:0603-NO
element:D1
package:SOD-123
polygon
element:F2
package:R1206
element:FB2
package:0805-NO
element:FD1
package:FIDUCIAL_1MM
element:FD2
package:FIDUCIAL_1MM
element:FD3
package:FIDUCIAL_1MM
element:GROUND1
package:SOLDERJUMPER_CLOSEDWIRE
element:IC3
package:SOT23-5
element:ICSP
package:2X03_ROUND_70MIL
element:IOH
package:1X10_OVALWAVE
element:IOL
package:1X08_OVALWAVE
element:JP1
package:1X01_ROUND
element:L
package:CHIPLED_0805_NOOUTLINE
polygon
element:L1
package:INDUCTOR_1007
element:LED1
package:LED3535
polygon
element:ON
package:CHIPLED_0805_NOOUTLINE
polygon
element:PC1
package:PANASONIC_D
element:PC2
package:PANASONIC_D
element:POWER
package:1X08_OVALWAVE
element:R1
package:RESPACK_4X0603
element:R2
package:RESPACK_4X0603
element:R3
package:0603-NO
element:R4
package:0603-NO
element:R5
package:0603-NO
element:R7
package:0603-NO
element:R11
package:0603-NO
element:RESET
package:EVQ-Q2
element:RXLED
package:CHIPLED_0805_NOOUTLINE
polygon
element:SJ1
package:SOLDERJUMPER_CLOSEDWIRE
element:SW1
package:SPDT_SMT_SSSS811101
element:T2
package:SOT-23
element:TR1
package:SOT-23
element:TXLED
package:CHIPLED_0805_NOOUTLINE
polygon
element:U$1
package:PQFN64-1
element:U$23
package:METROM4_REVF_TOP
element:U$27
package:METROM4_REVF_BOT
element:U1
package:SOT223-R
element:U2
package:SOT23-DBV
element:U3
package:SOIC8_208MIL
element:X2
package:2X05_1.27MM_BOX_POSTS
polygon
element:X3
package:4UCONN_20329_V2
element:X4
package:XTAL3215
element:X5
package:DCJACK_2MM_PTH
image/svg+xml
image/svg+xml
image/svg+xml
image/svg+xml
image/svg+xml
image/svg+xml
image/svg+xml
image/svg+xml
image/svg+xml
S1.0
S3.1
TC2[0]
TCC1[0]
TCC0[4]
S1.1
S3.0
TC2[1]
TCC1[1]
TCC0[5]
S1.3
S3.3
TC3[1]
TCC1[3]
TCC0[7]
S1.2
S3.2
TC3[0]
TCC1[2]
TCC0[6]
S5.2
S3.2
TC7[0]
TCC1[4]
TCC0[0]
S5.3
S3.3
TC7[1]
TCC1[5]
TCC0[1]
S4.0
TC4[0]
TCC3[0]
TCC0[0]
S4.3
TC5[1]
TCC4[1]
TCC0[3]
S4.2
TC5[0]
TCC4[0]
TCC0[2]
S4.1
TC4[1]
TCC3[1]
TCC0[1]
S5.0
TC6[0]
TCC3[0]
TCC0[4]
S5.1
TC6[1]
TCC3[1]
TCC0[5]
S3.0
S5.1
TC4[0]
TCC1[6]
TCC0[2]
S3.1
S5.0
TC4[1]
TCC1[7]
TCC0[3]
DATA0
DATA1
DATA3
DATA2
SDCMD
FS0
DATA4
SDCK
SDO
DATA5
SDCD
SCK1
DATA9
DATA8
SDWP
MCK1
SDCD
SCK0
SDWP
MCK0
SDI
DATA6
SOF 1KHZ
FS1
DATA7
5V
MOSI
26
PA12
12
S2.0
S4.1
TC2[0]
TCC0[6]
TCC1[2]
SDCD
DEN1
GND
SCK
25
PA13
13
S2.1
S4.0
TC2[1]
TCC0[7]
TCC1[3]
SDWP
DEN2
MISO
24
PA14
14
S2.2
S4.2
TC3[0]
TCC2[0]
TCC1[2]
CLK
RESET
layer 21
element:X2
package:2X05_1.27MM_BOX_POSTS
polygon
NEOPIXEL
40
PB22
6
S1.2
S5.2
TC7[0]
SOF 1KHZ
layer 21
element:LED1
package:LED3535
polygon