Datasheet

dsPIC33EPXXXGM3XX/6XX/7XX
DS70000689D-page 306  2013-2014 Microchip Technology Inc.
REGISTER 21-11: CxFEN1: CANx ACCEPTANCE FILTER ENABLE REGISTER 1
R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
FLTEN<15:8>
bit 15 bit 8
R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
FLTEN<7:0>
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-0 FLTEN<15:0>: Enable Filter n to Accept Messages bits
1 = Enables Filter n
0 = Disables Filter n
REGISTER 21-12: CxBUFPNT1: CANx FILTERS 0-3 BUFFER POINTER REGISTER 1
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
F3BP3 F3BP2 F3BP1 F3BP0 F2BP3 F2BP2 F2BP1 F2BP0
bit 15 bit 8
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
F1BP3 F1BP2 F1BP1 F1BP0 F0BP3 F0BP2 F0BP1 F0BP0
bit 7 bit 0
Legend:
R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’
-n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown
bit 15-12 F3BP<3:0>: RX Buffer Mask for Filter 3 bits
1111 = Filter hits received in RX FIFO buffer
1110 = Filter hits received in RX Buffer 14
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0001 = Filter hits received in RX Buffer 1
0000 = Filter hits received in RX Buffer 0
bit 11-8 F2BP<3:0>: RX Buffer Mask for Filter 2 bits (same values as bits 15-12)
bit 7-4 F1BP<3:0>: RX Buffer Mask for Filter 1 bits (same values as bits 15-12)
bit 3-0 F0BP<3:0>: RX Buffer Mask for Filter 0 bits (same values as bits 15-12)