NEC Renesas V850/SC1 User Manual page 644

<3> Control field
The control field sets "N" as the number of data bytes in the data field (N = 0 to 8).
(Arbitration field)
R
D
Remark D: Dominant = 0
R: Recessive = 1
In a standard format frame, the control field's IDE bit is the same as the r1 bit.
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CHAPTER 19 FCAN CONTROLLER (V850/SC3)
Figure 19-16. Control Field
Control field
RTR r1 r0 DLC3
(IDE)
Table 19-19. Data Length Code Settings
Data Length Code
DLC3 DLC2 DLC1
0 0 0
0 0 0
0 0 1
0 0 1
0 1 0
0 1 0
0 1 1
0 1 1
1 0 0
Other than above
Caution In the remote frame, there is no data field even if the data length code
is not 0000B.
User's Manual U15109EJ3V0UD
(Data field)
DLC2 DLC1 DLC0
Data Byte Count
DLC0
0 0 bytes
1 1 byte
0 2 bytes
1 3 bytes
0 4 bytes
1 5 bytes
0 6 bytes
1 7 bytes
0 8 bytes
8 bytes regardless of the
value of DLC3 to DLC0