PIC18F4580ISOSQTP 查看數據表（PDF） - Microchip Technology
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PIC18F4580ISOSQTP
Microchip Technology
PIC18F4580ISOSQTP Datasheet PDF : 490 Pages
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PIC18F2480/2580/4480/4580
REGISTER 24-6: TXBnSIDH: TRANSMIT BUFFER n STANDARD IDENTIFIER REGISTERS,
HIGH BYTE [0 ≤ n ≤ 2]
R/W-x
SID10
bit 7
R/W-x
SID9
R/W-x
SID8
R/W-x
SID7
R/W-x
SID6
R/W-x
SID5
R/W-x
SID4
R/W-x
SID3
bit 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
bit 7-0
SID<10:3>: Standard Identifier bits (if EXIDE (TXBnSIDL<3>) = 0)
Extended Identifier bits EID<28:21> (if EXIDE = 1).
REGISTER 24-7: TXBnSIDL: TRANSMIT BUFFER n STANDARD IDENTIFIER REGISTERS,
LOW BYTE [0 ≤ n ≤ 2]
R/W-x
R/W-x
R/W-x
U-0
R/W-x
U-0
SID2
SID1
SID0
—
EXIDE
—
bit 7
R/W-x
EID17
R/W-x
EID16
bit 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
bit 7-5
bit 4
bit 3
bit 2
bit 1-0
SID<2:0>: Standard Identifier bits (if EXIDE (TXBnSIDL<3>) = 0)
Extended Identifier bits EID<20:18> (if EXIDE = 1).
Unimplemented: Read as ‘0’
EXIDE: Extended Identifier Enable bit
1 = Message will transmit extended ID, SID<10:0> become EID<28:18>
0 = Message will transmit standard ID, EID<17:0> are ignored
Unimplemented: Read as ‘0’
EID<17:16>: Extended Identifier bits
REGISTER 24-8: TXBnEIDH: TRANSMIT BUFFER n EXTENDED IDENTIFIER REGISTERS,
HIGH BYTE [0 ≤ n ≤ 2]
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
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
bit 7-0
EID<15:8>: Extended Identifier bits (not used when transmitting standard identifier message)
© 2009 Microchip Technology Inc.
DS39637D-page 289
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