RM0016 Controller area network (beCAN)
Doc ID 14587 Rev 8 397/449
CAN mailbox filter match index register (CAN_MFMIR)
Address offset: See Table 65. and Table 66.
Reset value: 0xXX
Note: This register is implemented only in receive mailboxes. In transmit mailboxes, the
CAN_MCSR register is mapped at this location.
Bit 1 ABRQ Abort request for mailbox
Set by software to abort the transmission request for the corresponding mailbox.
Cleared by hardware when the mailbox becomes empty.
Setting this bit has no effect when the mailbox is not pending for transmission.
Bit 0 TXRQ Transmit mailbox request
Set by software to request the transmission for the corresponding mailbox.
Cleared by hardware when the mailbox becomes empty.
76543210
FMI[7:0]
rrrrrrrr
Bits 7:0 FMI[7:0] Filter match index
This register contains the index of the filter the message stored in the mailbox passed through. For
more details on identifier filtering please refer to Section 23.6.3: Identifier filtering - Filter Match
Index paragraph.
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