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MCx[1] Bits 3 to 0—Data Length Code (DLC): These bits indicate the required length of data
frames and remote frames.
Bit 3:
Bit 2:
DLC3
DLC2
0
0
1
1
0
Other than the above
MCx[2] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be
initialized (by writing 0 or 1).
MCx[3] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be
initialized (by writing 0 or 1).
MCx[4] Bits 7 to 0—Reserved: The initial value of these bits is undefined; they must be
initialized (by writing 0 or 1).
MCx[6] Bits 7 to 0—Standard Identifier (STD_ID10 to STD_ID3):
MCx[5] Bits 7 to 5—Standard Identifier (STD_ID2 to STD_ID0):
These bits set the identifier (standard identifier) of data frames and remote frames.
Standard identifier
SOF ID10
ID9
Bit 1:
Bit 0:
DLC1
DLC0
0
0
1
1
0
1
0
0
1
1
0
1
0
0
ID8
ID7
ID6
STD_IDxx
Figure 15-2 Standard Indentifier
Description
Data length = 0 byte
Data length = 1 byte
Data length = 2 bytes
Data length = 3 bytes
Data length = 4 bytes
Data length = 5 bytes
Data length = 6 bytes
Data length = 7 bytes
Data length = 8 bytes
Setting prohibited
ID5
ID4
ID3
ID2
RTR
ID1
ID0
IDE
SRR
559
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