Datasheet

© 2007 Microchip Technology Inc. DS21291F-page 31
MCP2510
REGISTER 4-11: RXFNSIDL - ACCEPTANCE FILTER N STANDARD IDENTIFIER LOW
(ADDRESS: 01h, 05h, 09h, 11h, 15h, 19h)
REGISTER 4-12: RXF
NEID8 - ACCEPTANCE FILTER N EXTENDED IDENTIFIER HIGH
(ADDRESS: 02h, 06h, 0Ah, 12h, 16h, 1Ah)
R/W-x R/W-x R/W-x U-0 R/W-x U-0 R/W-x R/W-x
SID2 SID1 SID0
— EXIDE —EID17EID16
bit 7 bit 0
bit 7-5 SID<2:0>: Standard Identifier Filter Bits <2:0>
These bits hold the filter bits to be applied to bits <2:0> of the Standard Identifier portion of a
received message
bit 4 Unimplemented: Reads as '0'
bit 3 EXIDE: Extended Identifier Enable
1 = Filter is applied only to Extended Frames
0 = Filter is applied only to Standard Frames
bit 2 Unimplemented: Reads as '0
bit 1-0 EID<17:16>: Exended Identifier Filter Bits <17:16>
These bits hold the filter bits to be applied to bits <17:16> 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
EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8
bit 7 bit 0
bit 7-0 EID<15:8>: 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