Datasheet

39.8.20 Global Filter Configuration
Name: GFC
Offset: 0x80
Reset: 0x00000000
Property: Write-restricted
This register is write-restricted and only writable if bit fields CCCR.CCE = 1 and CCCR.INIT = 1.
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
0x0
RXF0 Accept in Rx FIFO 0.
0x1
RXF1 Accept in Rx FIFO 1.
0x2 or
0x3
REJECT Reject
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
0x0
RXF0 Accept in Rx FIFO 0.
0x1
RXF1 Accept in Rx FIFO 1.
0x2 or
0x3
REJECT Reject
Bit 1 – RRFS Reject Remote Frames Standard
Value Description
0
Filter remote frames with 11-bit standard IDs.
1
Reject all remote frames with 11-bit standard IDs.
SAM D5x/E5x Family Data Sheet
CAN - Control Area Network
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1267