Microchip Technology SAMC21N Xplained Pro, Manual

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Table 4-21. LIN Transceiver
SAMC21N pin Function ATA663211 function Shared functionality
PA06 SERCOM0 PAD[2] LIN TX LIN TXD -
PA07 SERCOM0 PAD[3] LIN RX LIN RXD -
PC15 GPIO LIN EN -
Table 4-22. LIN Header
LIN header pin Function
1 VS
2 GND
3 LIN
Table 4-23. Master Node Pull-up Enable Header
LIN header pin Function
1 LIN
2 1kΩ pull-up to VS
Table 4-24. LIN VCC Power
LIN header pin Function
1 VS
2 VCC_TARGET_P3V3_P5V0
4.3.6 QTouch Button
There is one self capacitance button available on the SAMC21N 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 QTouch Tools .
Table 4-25. QTouch Connection
SAMC21N pin Silkscreen text
PA05 Y[3] for QT_BUTTON
4.3.7 Crypto Authentication
Several of the security devices, including CryptoAuthentication device like the ATECC508A , requires only
an I
2
C interface to work, and they share the same package and pinouts. SAMC21N Xplained Pro has
implemented 8-pad UDFN package ATECC508A-MAHDA-T device. Table 4-26 shows all the connections
between the crypto device and the ATSAMC21N18A.
SAMC21N Xplained Pro
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2017 Microchip Technology Inc.
User Guide
DS70005318A-page 22