UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 533

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

<3> Control field
The control field sets “N” as the number of data bytes in the data field (N = 0 to 8).
In a standard format frame, the control field’s IDE bit is the same as the r1 bit.
Remark
(Arbitration field)
R
D
D: Dominant = 0
R: Recessive = 1
Caution In the remote frame, there is no data field even if
DLC3
0
0
0
0
0
0
0
0
1
RTR
the data length code is not 0000B.
Data Length Code
Other than above
DLC2
(IDE)
0
0
0
0
1
1
1
1
0
Preliminary User’s Manual U19748EJ1V0UD
r1
Table 15-5. Data Length Setting
CHAPTER 15 CAN CONTROLLER
Figure 15-8. Control Field
DLC1
r0
0
0
1
1
0
0
1
1
0
DLC3
Control field
DLC0
0
1
0
1
0
1
0
1
0
DLC2
8 bytes regardless of the
value of DLC3 to DLC0
DLC1
Data Byte Count
0 bytes
2 bytes
3 bytes
4 bytes
5 bytes
6 bytes
7 bytes
8 bytes
1 byte
DLC0
(Data field)
531