Microchip Technology MA330011 Datenbogen
dsPIC33F
DS70165E-page 258
Preliminary
©
2007 Microchip Technology Inc.
REGISTER 20-28: CiTRBnDLC: ECAN BUFFER n DATA LENGTH CONTROL (n = 0, 1, ..., 31)
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
EID5
EID4
EID3
EID2
EID1
EID0
RTR
RB1
bit 15
bit 8
U-0
U-0
U-0
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
—
—
—
RB0
DLC3
DLC2
DLC1
DLC0
bit 7
bit 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
bit 15-10
EID<5:0>: Extended Identifier bits
bit 9
RTR: Remote Transmission Request bit
1
= Message will request remote transmission
0
= Normal message
bit 8
RB1: Reserved Bit 1
User must set this bit to ‘
0
’ per CAN protocol.
bit 7-5
Unimplemented: Read as ‘
0
’
bit 4
RB0: Reserved Bit 0
User must set this bit to ‘
0
’ per CAN protocol.
bit 3-0
DLC<3:0>: Data Length Code bits
REGISTER 20-29:
CiTRBnDm: ECAN BUFFER n DATA FIELD BYTE m (n = 0, 1, ..., 31; m = 0, 1, ..., 7)
(1)
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
R/W-x
TRBnDm7
TRBnDm6
TRBnDm5
TRBnDm4
TRBnDm3
TRBnDm2
TRBnDm1
TRBnDm0
bit 7
bit 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
bit 7-0
TRnDm<7:0>: Data Field Buffer ‘n’ Byte ‘m’ bits
Note 1:
The Most Significant Byte contains byte (m + 1) of the buffer.