66.6.18 MCAN Global Filter Configuration
Global settings for Message ID filtering. The Global Filter Configuration controls the filter path for standard and extended messages as illustrated in Standard Message ID Filter Path and Extended Message ID Filter Path.
This register can only be written if the bits CCE and INIT are set in MCAN CC Control Register.
| Name: | MCAN_GFC |
| Offset: | 0x80 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| Access | |||||||||
| Reset |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| Access | |||||||||
| Reset |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| ANFS[1:0] | ANFE[1:0] | RRFS | RRFE | ||||||
| Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | |||
Bits 5:4 – ANFS[1:0] Accept Non-matching Frames Standard
Defines how received messages with 11-bit IDs that do not match any element of the filter list are treated.
| Value | Name | Description |
|---|---|---|
| 0 | RX_FIFO_0 | Accept in Rx FIFO 0 |
| 1 | RX_FIFO_1 | Accept in Rx FIFO 1 |
| 2-3 | REJECTED | Message rejected |
Bits 3:2 – ANFE[1:0] Accept Non-matching Frames Extended
Defines how received messages with 29-bit IDs that do not match any element of the filter list are treated.
| Value | Name | Description |
|---|---|---|
| 0 | RX_FIFO_0 | Accept in Rx FIFO 0 |
| 1 | RX_FIFO_1 | Accept in Rx FIFO 1 |
| 2-3 | REJECTED | Message rejected |
Bit 1 – RRFS Reject Remote Frames Standard
0 (FILTER): Filter remote frames with 11-bit standard IDs.
1 (REJECT): Reject all remote frames with 11-bit standard IDs.
Bit 0 – RRFE Reject Remote Frames Extended
0 (FILTER): Filter remote frames with 29-bit extended IDs.
1 (REJECT): Reject all remote frames with 29-bit extended IDs.