Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/CAN0/TXBC#0x0
Tx Buffer Configuration
Tx Buffers Start Address
Number of Dedicated Transmit Buffers
Transmit FIFO/Queue Size
Tx FIFO/Queue Mode
https://github.com/cmsis-svd/cmsis-svd-data