Data Sheet

© 2005 Microchip Technology Inc. Preliminary DS21801D-page 35
MCP2515
REGISTER 4-12: RXFnEID8 – FILTER n EXTENDED IDENTIFIER HIGH
(ADDRESS: 02h, 06h, 0Ah, 12h, 16h, 1Ah)
REGISTER 4-13: RXFnEID0 – FILTER n EXTENDED IDENTIFIER LOW
(ADDRESS: 03h, 07h, 0Bh, 13h, 17h, 1Bh)
REGISTER 4-14: RXMnSIDH – MASK n STANDARD IDENTIFIER HIGH
(ADDRESS: 20h, 24h)
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8
bit 7 bit 0
bit 7-0 EID: Extended Identifier bits <15:8>
These bits hold the filter bits to be applied to bits <15:8> of the Extended Identifier portion of a
received message
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
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0
bit 7 bit 0
bit 7-0 EID: Extended Identifier bits <7:0>
These bits hold the filter bits to be applied to the bits <7:0> of the Extended Identifier portion of
a received message
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
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
SID10SID9SID8SID7SID6SID5SID4SID3
bit 7 bit 0
bit 7-0 SID: Standard Identifier Mask bits <10:3>
These bits hold the mask bits to be applied to bits <10:3> of the Standard Identifier portion of
a received message
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