MCP2510_07 Datasheet, PDF (19/80 Pages) Microchip Technology – Stand-Alone CAN Controller with SPI™ Interface

MCP2510
REGISTER 3-4:
TXBNSIDL - Transmit Buffer N Standard Identifier Low
(ADDRESS: 32h, 42h, 52h)
R/W-x
SID2
bit 7
R/W-x
SID1
R/W-x
SID0
R/W-x
—
R/W-x
EXIDE
R/W-x
—
R/W-x
EID17
R/W-x
EID16
bit 0
bit 7-5
bit 4
bit 3
bit 2
bit 1-0
SID<2:0>: Standard Identifier Bits <2:0>
Unimplemented: Reads as '0’
EXIDE: Extended Identifier Enable
1 = Message will transmit extended identifier
0 = Message will transmit standard identifier
Unimplemented: Reads as '0’
EID<17:16>: Extended Identifier Bits <17:16>
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
’1’ = Bit is set
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared x = Bit is unknown
REGISTER 3-5:
TXBNEID8 - TRANSMIT BUFFER N EXTENDED IDENTIFIER HIGH
(ADDRESS: 33h, 43h, 53h)
R/W-x
EID15
bit 7
R/W-x
EID14
R/W-x
EID13
R/W-x
EID12
R/W-x
EID11
R/W-x
EID10
R/W-x
EID9
R/W-x
EID8
bit 0
bit 7-0
EID<15:8>: Extended Identifier Bits <15:8>
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
’1’ = Bit is set
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared x = Bit is unknown
REGISTER 3-6:
TXBNEID0 - TRANSMIT BUFFER N EXTENDED IDENTIFIER LOW
(ADDRESS: 34h, 44h, 54h)
R/W-x
EID7
bit 7
R/W-x
EID6
R/W-x
EID5
R/W-x
EID4
R/W-x
EID3
R/W-x
EID2
R/W-x
EID1
R/W-x
EID0
bit 0
bit 7-0
EID<7:0>: Extended Identifier Bits <7:0>
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
’1’ = Bit is set
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared x = Bit is unknown
© 2007 Microchip Technology Inc.
DS21291F-page 19