Datasheet
© 2007 Microchip Technology Inc. DS21664D-page 15
MCP2502X/5X
REGISTER 2-13: RXMEID0 - ACCEPTANCE FILTER MASK EXTENDED IDENTIFIER LOW
REGISTER 2-14: RXFNSIDH - ACCEPTANCE FILTER N STANDARD IDENTIFIER HIGH
REGISTER 2-15: RXFNSIDL - ACCEPTANCE FILTER N STANDARD IDENTIFIER LOW
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 7-3 EID7:EID3: Extended Identifier bits
bit 2-0 EID2:EID0: Extended Identifier bits (always reads as ‘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
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3*
bit 7 bit 0
bit 7-0 SID10:SID3: Standard Identifier bits
* If OPTREG2.MTYPE = 1, then SID3 = X
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 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 SID2:SID0: Standard Identifier bits
1 = When EXIDE = 1, SID2:SID0 = b’xxx’
0 = When EXIDE = 0, SID2:SID0 = as configured
bit 4 Unimplemented: Read as ‘0’
bit 3 EXIDE: Extended Identifier Enable bit
1 = Filter will apply to extended identifier
0 = Filter will apply to standard identifier
bit 2 Unimplemented: Read as ‘0’
bit 1-0 EID17:EID16: Extended Identifier bits
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