Microchip Technology SAMC21N Xplained Pro Manual page 21

Table 4-16. External Crystal Footprint
SAMC21N pin
PA14
PA15
4.3.4 CAN
ATSAMC21N18A has two CAN modules that performs communication according to ISO11898-1 (Bosch
CAN specification 2.0 part A,B) and Bosch CAN FD specification V1.0.
CAN 0 and CAN 1 are connected to two on-board
and Table 4-18
The CAN differential signals are connected to two 1 x 2, 100 mil pin-headerw labeled CAN 0 and CAN 1.
Table 4-17. CAN 0 Transceiver (ATA6561) Connections
SAMC21Npin
PA24
PA25
Table 4-18. CAN 1 Transceiver (ATA6561) Connections
SAMC21Npin
PB14
PB15
Table 4-19. CAN Header (CAN 0)
CAN header pin
1
2
Table 4-20. CAN Header (CAN 1)
CAN header pin
1
2
4.3.5 LIN
An ATA663211 LIN transceiver is mounted on the kit to convert the LIN signals from the SERCOM
module in the SAMC21N device. The LIN compatible signals are available at a 3-pin header.
©
2017 Microchip Technology Inc.
Function
XIN
XOUT
show the connections between the ATSAMC21N18A and two ATA6561 transceivers.
Function
CAN0 TX
CAN0 RX
Function
CAN1 TX
CAN1 RX
SAMC21N Xplained Pro
ATA6561 CAN physical-layer transceivers.
ATA6561 function
TXD
RXD
ATA6561 function
TXD
RXD
Function
CANH0
CANL0
Function
CANH1
CANL1
User Guide
Shared functionality
EXT3 and Shield
EXT3 and Shield
Table 4-17
Shared functionality
-
-
Shared functionality
-
-
DS70005318A-page 21