STMicroelectronics SPC572L series Reference Manual page 1020

CAN Subsystem
Table 538. Interrupt register field descriptions(Continued)
Field
Tx Event FIDO New Entry
19
0 Tx Event FIFO unchanged
TEFN
1 Tx Handler wrote Tx Event FIFO element
Tx FIFO Empty
20
0 Tx FIFO non-empty
TFE
1 Tx FIFO empty
Transmission Cancellation Finished
21
0 No transmission cancellation finished
TCF
1 Transmission cancellation finished
Transmission Completed
22
0 No transmission completed
TC
1 Transmission completed
High Priority Message
23
0 No high priority message received
HPM
1 High priority message received
Rx FIFO 1 Message Lost
24
0 No Rx FIFO 1 message lost
RF1L
1 Rx FIFO 1 message lost, also set after write attempt to Rx FIFO 1 of size zero
Rx FIFO 1 Full
25
0 Rx FIFO 1 not full
RF1F
1 Rx FIFO 1 full
Rx FIFO 1 Watermark Reached
26
0 Rx FIFO 1 fill level below watermark
RF1W
1 Rx FIFO 1 fill level reached watermark
Rx FIFO 1 New Message
27
0 No new message written to Rx FIFO 1
RF1N
1 New message written to Rx FIFO 1
Rx FIFO 0 Message Lost
28
0 No Rx FIFO 0 message lost
RF0L
1 Rx FIFO 0 message lost, also set after write attempt to Rx FIFO 0 of size zero
Rx FIFO 0 Full
29
0 Rx FIFO 0 not full
RF0F
1 Rx FIFO 0 full
Rx FIFO 0 Watermark Reached
30
0 Rx FIFO 0 fill level below watermark
RF0W
1 Rx FIFO 0 fill level reached watermark
Rx FIFO 0 New Message
31
0 No new message written to Rx FIFO 0
RF0N
1 New message written to Rx FIFO 0
44.3.5.2.15 Interrupt Enable Register (IE)
The settings in the Interrupt Enable register determine which status changes in the Interrupt
register will be signaled on an interrupt line.
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