Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 20 CAN CONTROLLER

R01UH0042EJ0500 Rev.5.00 Page 899 of 1513

Aug 12, 2011

<3> Control field

The control field sets “DLC” as the number of data bytes in the data field (DLC = 0 to 8).

Figure 20-8. Control Field

(IDE)

r0RTR DLC2DLC3 DLC1 DLC0

Control field (Data field)

(Arbitration field)

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.

Table 20-5. Data Length Setting

Data Length Code

DLC3 DLC2 DLC1 DLC0

Data Byte Count

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 than above

8 bytes regardless of the

value of DLC3 to DLC0

Caution In the remote frame, there is no data field even if the data length code is not

0000B.