The CAN FD controller features include the following:
Protocol
- Standard CAN 2.0 frames specified in ISO specification 11898-1:2015
- CAN FD protocol features
- 64-byte frames
- Flexible data rates up to 8 Mb/s
- Normal data rates up to 1 Mb/s
Controller Features
- TX delay compensation of up to three data bits
- TX mailbox buffers, 32
- TX event buffer
- RX buffers, dual 64-messages deep with 32 ID filter mask pairs
- Priority message IDs, lowest ID transmitted first
- TX message cancellation
- Timestamp for TX and RX
- Separate error logging for fast data rates
Messaging Features
- Disable auto-retransmission (DAR) mode
- Disable protocol exception event mode
- Bus monitoring, snoop mode
- Sleep mode with wake-up interrupt
- Bus-off recovery
- Auto-recovery
- User-intervention auto-recovery
- Up to three data bit transmitter delay compensation
- Internal loopback mode