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Table 4-6. J903 - Analog
J903 pin
SAM L22
pin
Arduino pin name
Function
Shared functionality
1
PC00
ADC0
AIN16
2
PC01
ADC1
AIN17
3
PA04
ADC2
AIN4
4
PA05
ADC3
AIN5
5
PA06
ADC4
AIN6
6
PA07
ADC5
AIN7
Table 4-7. J904 - Digital Low
J904 pin
SAM L22
pin
Arduino pin name
Function
Shared functionality
1
PB13
D0 / RX0
SERCOM3 PAD[1]
UART RX
2
PB12
D1 / TX0
SERCOM3 PAD[0]
UART TX
3
PB11
D2
GPIO
4
PB14
D3
GPIO
5
PB15
D4
GPIO
6
PC14
D5
GPIO
7
PC15
D6
GPIO
8
PB20
D7
GPIO
Table 4-8. J901 - Digital High
J901 pin
SAM L22
pin
Arduino pin name
Function
Shared functionality
1
PC05
D8
GPIO
2
PC06
D9
GPIO
3
PC07
D10 / SPI-SS
GPIO
4
PC12
D11 / SPI-MOSI
SERCOM1 PAD[0] SPI
MOSI
5
PC11
D12 / SPI-MISO
SERCOM1 PAD[3] SPI
MISO
6
PC13
D13 / SPI-SCK
SERCOM1 PAD[1] SPI
SCK
7
-
GND
-
-
Atmel SAM L22 Xplained Pro [USER GUIDE]
Atmel-42474B-SAM-L22-Xplained-Pro_User Guide-12/2015
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