MCP2515
REGISTER 4-15: RXMnSIDL – MASK n STANDARD IDENTIFIER LOW
(ADDRESS: 21h, 25h)
R/W-0
SID2
R/W-0
SID1
R/W-0
SID0
U-0
—
U-0
—
U-0
—
R/W-0
EID17
R/W-0
EID16
bit 7
bit 0
bit 7-5
SID: Standard Identifier Mask bits <2:0>
These bits hold the mask bits to be applied to bits<2:0> of the Standard Identifier portion of a
received message
bit 4-2
bit 1-0
Unimplemented: Reads as ‘0’
EID: Extended Identifier Mask bits <17:16>
These bits hold the mask bits to be applied to bits <17:16> of the Extended Identifier portion of
a received message
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
‘1’ = Bit is set
REGISTER 4-16: RXMnEID8 – MASK n EXTENDED IDENTIFIER HIGH
(ADDRESS: 22h, 26h)
R/W-0
EID15
R/W-0
EID14
R/W-0
EID13
R/W-0
EID12
R/W-0
EID11
R/W-0
EID10
R/W-0
EID9
R/W-0
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
-n = Value at POR
W = Writable bit
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
‘1’ = Bit is set
REGISTER 4-17: RXMnEID0 – MASK n EXTENDED IDENTIFIER LOW
(ADDRESS: 23h, 27h)
R/W-0
EID7
R/W-0
EID6
R/W-0
EID5
R/W-0
EID4
R/W-0
EID3
R/W-0
EID2
R/W-0
EID1
R/W-0
EID0
bit 7
bit 0
bit 7-0
EID: Extended Identifier Mask bits <7:0>
These bits hold the mask bits to be applied to the bits <7:0> of the Extended Identifier portion
of a received message
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared x = Bit is unknown
‘1’ = Bit is set
DS21801D-page 36
Preliminary
© 2005 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
