SAMC21 datasheet(22/46 Pages) ATMEL

22 / 46 page

Table 4-19. LIN Transceiver

SAM C21 pin

Function

ATA663211 function

Shared functionality

PA06

SERCOM0 PAD[2] LIN

LIN TXD

PA07

SERCOM0 PAD[3] LIN

LIN RXD

PB22

GPIO

LIN EN

Table 4-20. LIN Header

LIN header pin

Function

GND

LIN

Table 4-21. Master Node Pull-up Enable Header

LIN header pin

Function

LIN

1kΩ pull-up to VS

Table 4-22. LIN VCC Power

LIN header pin

Function

VCC_TARGET_P3V3_P5V0

4.3.6.

QTouch Button

There is one self capacitance button available on the SAM C21 Xplained Pro board that can be used as

I/O. This QTouch button is intended to be driven by the built-in Peripheral Touch Controller (PTC) of the

device.

Note: To get started with QTouch, refer to Atmel QTouch

® Library and Atmel QTouch® Composer.

Table 4-23. QTouch Connection

SAM C21 pin

Silkscreen text

PA05

QT BTN1

4.3.7.

Crypto Footprints

Several of the Atmel security devices, including CryptoAuthentication devices like the ATECC108A,

requires only an I2C interface to work, and they share the same packages and pinouts. SAM C21

Xplained Pro has implemented SOIC8 and UDFN8 footprints for these devices so the user may solder

them on themselves. Table 4-24 shows all the connections between the footprints and the

ATSAMC21J18A.

Atmel SAM C21 Xplained Pro [USER GUIDE]

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

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