PIC18CXX8
REGISTER 17-15: RXBnSIDL – RECEIVE BUFFER n STANDARD IDENTIFIER LOW BYTE
REGISTER
R/W-x
SID2
R/W-x
SID1
R/W-x
SID0
R/W-x
R/W-x
U-0
R/W-x
SRR
EXID
—
EID17
bit 7
R/W-x
EID16
bit 0
bit 7-5
bit 4
bit 3
bit 2
bit 1-0
SID2:SID0: Standard Identifier bits, if EXID = 0.
Extended Identifier bits EID20:EID18, if EXID = 1.
SRR: Substitute Remove Request bit (only when EXID = ’1’)
1 = Remote transfer request occurred
0 = No remote transfer request occurred
EXID: Extended Identifier bit
1 = Received message is an Extended Data Frame, SID10:SID0 are EID28:EID18
0 = Received message is a Standard Data Frame
Unimplemented: Read as ’0’
EID17:EID16: Extended Identifier bits
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 17-16: RXBnEIDH – RECEIVE BUFFER n EXTENDED IDENTIFIER HIGH BYTE
REGISTER
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
bit 7
R/W-x
EID8
bit 0
bit 7-0
EID15:EID8: Extended Identifier bits
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 17-17: RXBnEIDL – RECEIVE BUFFER n EXTENDED IDENTIFIER LOW BYTE
REGISTER
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
bit 7
R/W-x
EID0
bit 0
bit 7-0
EID7:EID0: Extended Identifier bits
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
DS30475A-page 196
Advanced Information
2000 Microchip Technology Inc.