User Guide

USB
DEBUGGER
SAMD21G17D
SW0
LED0
PS LED
NC
NC
ID
ID
CDC RX
CDCRX
SEMCOM1 PAD0 TXPA22
CDC TX
CDCTX
SERCOM1 PAD1 RXPB22
DBG1
DBG1
PA30
DBG2
DBG2
PB11
PA08
PA08
SERCOM3 PAD0 TXTCC2 WO0X4
PA09
PA09
SERCOM3 PAD1 RXTCC2 WO1X5
PA12
PA12
SERCOM2 PAD0 SDATC4 WO0
PA13
PA13
SERCOM2 PAD1 SCLTCC2 WO0
PA16
PA16
SERCOM0 PAD0 MOSIADC AIN[16]TCC0 WO0X0
PA19
PA19
SERCOM0 PAD3 MISOADC AIN[19]TCC1 WO1X3
PA17
PA17
SERCOM0 PAD1 SCKADC AIN[17]TCC0 WO1X1
PA18
PA18
SERCOM0 PAD2 SSADC AIN[18]TCC1 WO0X2
GND
GND
PA20
PA20
SERCOM5 PAD0 TXTC4 WO0X10
PA21
PA21
SERCOM5 PAD1 RXTC4 WO1X11SOF_1kHz
PB02
PB02
SERCOM3 PAD2TC5 WO0USB D+
PB03
PB03
SERCOM3 PAD3TC5 WO1USB D-
PA10
PA10
TC6 WO0ADC AIN[10]SERCOM5 PAD0Y8
PA11
PA11
TC6 WO1ADC AIN[11]SERCOM5 PAD1Y9
PA00
PA00
SERCOM4 PAD2TC3 WO0
PA01
PA01
SERCOM4 PAD3TC3 WO1
GND
GND
VBUS
VBUS
VOFF
VOFF
DBG3
DBG3
RESET
DBG0
DBG0
SWDIO
GND
GND
VTG
VTG
PA07
PA07
ADC AIN[7] TCC3 WO5 SERCOM0 PAD3 Y5
PA06
PA06
ADC AIN[6] TCC3 WO4 SERCOM0 PAD2 Y4
PA05
PA05
ADC AIN[5] TC0 WO1 SERCOM0 PAD1 TCC3 WO3 Y3
PA04
PA04
ADC AIN[4] TC0 WO0 SERCOM0 PAD0 TCC3 WO2 Y2
PB09
PB09
ADC AIN[3] SERCOM4 PAD1 TC4 WO0 TCC3 WO7 Y15
PB08
PB08
ADC AIN[2] SERCOM4 PAD0 TC4 WO0 TCC3 WO6 Y14
PA03
PA03
ADC AIN[1] TCC3 WO1 Y1
PA02
PA02
ADC AIN[0] DAC0 TCC3 WO0 Y0
GND
GND
PA28
PA28
PA27
PA27
TCC3 WO6
PB23
PB23
SERCOM5 PAD3 TC7 WO1
PA23
PA23
SERCOM5 PAD2 TC7 WO0
PA25
PA25
TC7 WO1 SERCOM3 PAD3 X9
PA24
PA24
TC7 WO0 SERCOM3 PAD2 X8
PA15
PA15
SERCOM1 PAD3 TC3 WO1 X7
PA14
PA14
SERCOM1 PAD2 TC3 WO0 X6
GND
GND
DEBUGGER
SAMD21G17D
Analog
Debug
I2C
SPI
UART
Peripheral
Port
PWM
Power
Ground
Touch
USB
Shared pin
SAMD21G17D
Curiosity Nano
SAM D21
Hardware
© 2020 Microchip Technology Inc.
User Guide
DS70005409C-page 12
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