Microchip Technology DM164134 Datenbogen
© 2006 Microchip Technology Inc.
DS41159E-page 207
PIC18FXX8
REGISTER 19-5:
TXBnSIDH: TRANSMIT BUFFER n STANDARD IDENTIFIER,
HIGH BYTE REGISTERS
HIGH BYTE REGISTERS
REGISTER 19-6:
TXBnSIDL: TRANSMIT BUFFER n STANDARD IDENTIFIER,
LOW BYTE REGISTERS
LOW BYTE REGISTERS
REGISTER 19-7:
TXBnEIDH: TRANSMIT BUFFER n EXTENDED IDENTIFIER,
HIGH BYTE REGISTERS
HIGH BYTE REGISTERS
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 EXIDE = 0 (TXBnSID Register) or
Extended Identifier bits EID28:EID21 if EXIDE = 1
Extended Identifier bits EID28:EID21 if EXIDE = 1
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
SID2
SID1
SID0
—
EXIDE
—
EID17
EID16
bit 7
bit 0
bit 7-5
SID2:SID0: Standard Identifier bits if EXIDE = 0 or
Extended Identifier bits EID20:EID18 if EXIDE = 1
Extended Identifier bits EID20:EID18 if EXIDE = 1
bit 4
Unimplemented: Read as ‘0’
bit 3
EXIDE: Extended Identifier enable bit
1
= Message will transmit extended ID, SID10:SID0 becomes EID28:EID18
0
= Message will transmit standard ID, EID17:EID0 are ignored
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
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
EID15:EID8: 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