BAT32G1x9 user manual | Chapter 22 CAN control
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Rev.1.02
< 3 > control field
The control field is set "DLC" as the number of bytes of data in the data field (DLC=0 to 8).
Figure 22-8 Control the field
(arbitration fields)
control fields
(Data fields)
Note D: Dominant
= 0
R: Recessive = 1
In standard format frames, the IDE bit of the control field is the same as the r1 bit
Table22-5. Data Length Configuration
Data length code
Data byte calculation
DLC3
DLC2
DLC1
DLC0
0
0
0
0
0 bytes
0
0
0
1
1 byte
0
0
1
0
2 bytes
0
0
1
1
3 bytes
0
1
0
0
4 bytes
0
1
0
1
5 bytes
0
1
1
0
6 bytes
0
1
1
1
7 bytes
1
0
0
0
8 bytes
Other values
8 bytes (regardless of
the value
of
DLC0 to
DLC3
).
Note: In a remote frame, there is no data farm even if the data length code is not (0000B).