ST STM32G4 Series Reference Manual page 1945

RM0440
Bit 13 TSW: Timestamp Wraparound
Bit 12 TEFL: Tx Event FIFO element Lost
Bit 11 TEFF: Tx Event FIFO Full
Bit 10 TEFN: Tx Event FIFO New Entry
Bit 9 TFE: Tx FIFO Empty
Bit 8 TCF: Transmission Cancellation Finished
Bit 7 TC: Transmission Completed
Bit 6 HPM: High Priority Message
Bit 5 RF1L: Rx FIFO 1 message Lost
Bit 4 RF1F: Rx FIFO 1 Full
Bit 3 RF1N: Rx FIFO 1 New Message
Bit 2 RF0L: Rx FIFO 0 Message Lost
Bit 1 RF0F: Rx FIFO 0 Full
Bit 0 RF0N: Rx FIFO 0 New Message
0: No timestamp counter wrap-around
1: Timestamp counter wrapped around
0: No Tx Event FIFO element lost
1: Tx Event FIFO element lost
0: Tx Event FIFO Not full
1: Tx Event FIFO Full
0: Tx Event FIFO unchanged
1: Tx Handler wrote Tx Event FIFO element
0: Tx FIFO non-empty
1: Tx FIFO empty
0: No transmission cancellation finished
1: Transmission cancellation finished
0: No transmission completed
1: Transmission completed
0: No high priority message received
1: High priority message received
0: No Rx FIFO 1 message lost
1: Rx FIFO 1 message lost
0: Rx FIFO 1 not full
1: Rx FIFO 1 full
0: No new message written to Rx FIFO 1
1: New message written to Rx FIFO 1
0: No Rx FIFO 0 message lost
1: Rx FIFO 0 message lost
0: Rx FIFO 0 not full
1: Rx FIFO 0 full
0: No new message written to Rx FIFO 0
1: New message written to Rx FIFO 0
RM0440 Rev 1
FD controller area network (FDCAN)
1945/2083
1965