Datasheet
2002 Microchip Technology Inc. DS21291E-page 19
MCP2510
REGISTER 3-4: TXB
N
SIDL - Transmit Buffer
N
Standard Identifier Low
(ADDRESS: 32h, 42h, 52h)
REGISTER 3-5: TXB
N
EID8 - TRANSMIT BUFFER
N
EXTENDED IDENTIFIER HIGH
(ADDRESS: 33h, 43h, 53h)
REGISTER 3-6: TXB
N
EID0 - TRANSMIT BUFFER
N
EXTENDED IDENTIFIER LOW
(ADDRESS: 34h, 44h, 54h)
R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x R/W-x
SID2 SID1 SID0
— EXIDE —EID17EID16
bit 7 bit 0
bit 7-5 SID<2:0>: Standard Identifier Bits <2:0>
bit 4 Unimplemented: Reads as '0’
bit 3 EXIDE: Extended Identifier Enable
1 = Message will transmit extended identifier
0 = Message will transmit standard identifier
bit 2 Unimplemented: Reads as '0’
bit 1-0 EID<17:16>: Extended Identifier Bits <17:16>
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>
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
EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0
bit 7 bit 0
bit 7-0 EID<7:0>: Extended Identifier Bits <7:0>
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