Datasheet

MCP2510
DS21291E-page 32  2002 Microchip Technology Inc.
REGISTER 4-13: RXF
N
EID0 - ACCEPTANCE FILTER
N
EXTENDED IDENTIFIER LOW
(ADDRESS: 03h, 07h, 0Bh, 13h, 17h, 1Bh)
REGISTER 4-14: RXM
N
SIDH - ACCEPTANCE FILTER MASK
N
STANDARD IDENTIFIER HIGH
(ADDRESS: 20h, 24h)
REGISTER 4-15: RXM
N
SIDL - ACCEPTANCE FILTER MASK
N
STANDARD IDENTIFIER LOW
(ADDRESS: 21h, 25h)
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<7:0>: 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-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
SID10SID9SID8SID7SID6SID5SID4SID3
bit 7 bit 0
bit 7-0 SID<10:3>: 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
R/W-x R/W-x R/W-x U-0 U-0 U-0 R/W-x R/W-x
SID2 SID1 SID0
— — —EID17EID16
bit 7 bit 0
bit 7-5 SID<2:0>: 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 Unimplemented: Reads as '0'
bit 1-0 EID<17:16>: 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 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