SAMC21 datasheet(17/46 Pages) ATMEL

17 / 46 page

Caution: The target section of SAM C21 Xplained Pro can be powered by 3.3V or 5.0V. The

maximum voltage the I/O pins can tolerate depends on the supply voltage. Providing higher

voltages like 5V to an I/O pin when the ATSAMC21J18A is powered by 3.3V could damage the

board.

Info: Note that all pins do not have the exact same functionality as on the Arduino Uno on the

shield connectors. Each shield should be checked for compatibility before it is connected.

Table 4-4. J802 - Power

Pin on J802 SAM C21 pin Arduino pin name Function

Shared functionality

RFU

IOREF

VCC_TARGET_P3V3_P5V0 -

RESETN

RESET

TARGET_RESET

3.3V

VCC_P3V3

VCC_P5V0

GND

VIN

VCC_EXT_P5V0

Table 4-5. J803 - Analog

Pin on J803

SAM C21 pin

Arduino pin name

Function

Shared functionality

PB09

ADC0

INP1

EXT1

PB08

ADC1

INN1

EXT1

PA08

ADC2

AIN10

EXT2

PA09

ADC3

AIN11

EXT2

PB07

ADC4

AIN9 / INP2

EXT3

PB06

ADC5

AIN8 / INN2

EXT3

Table 4-6. J804 - Digital Low

Pin on J804 SAM C21 pin Arduino pin name Function

Shared functionality

PA23

D0 / RX0

SERCOM3 PAD1 UART RX EXT1, EXT2, and EXT3

PA22

D1 / TX0

SERCOM3 PAD0 UART TX EXT1, EXT2, and EXT3

PA20

GPIO

EXT1

PB12

TC0_W0

EXT1 and EDBG GPIO

PA21

GPIO

EXT1

PB13

TC0_W1

EXT1

Atmel SAM C21 Xplained Pro [USER GUIDE]

Atmel-42460D-SAM-C21-Xplained-Pro_User Guide-08/2016

SAMC21 Arkusz danych(PDF) 17 Page - ATMEL Corporation

SAMC21 Arkusz danych(HTML) 17 Page - ATMEL Corporation

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