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M16C/5L Group, M16C/56 Group
23.1.7.5
DLC (Data Length Code)
The DLC is used to set the number of data bytes to be transmitted in a data frame. When data is
requested using a remote frame, the number of data bytes to be requested is set.
When a data frame is received, the number of received data bytes is stored. When a remote frame is
received, the number of requested data bytes is stored.
Table 23.6 lists the data length corresponding DLC.
Table 23.6
Data Length Corresponding DLC
DLC[3]
DLC[2]
0
0
0
0
0
0
0
0
0
1
0
1
0
1
0
1
1
-
-: Any value
23.1.7.6
DATA0 to DATA7
DATA0 to DATA7 store the transmitted or received CAN message data. Transmission or reception
starts from DATA0. The bit order on the CAN bus is MSB first, and transmission or reception starts from
bit 7.
23.1.7.7
TSL and TSH
TSL and TSH store the counter value of the time stamp when received messages are stored in the
mailbox.
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
DLC[1]
DLC[0]
0
0
0
1
1
0
1
1
0
0
0
1
1
0
1
1
-
-
23. CAN Module
Data Length
0 byte
1 byte
2 bytes
3 bytes
4 bytes
5 bytes
6 bytes
7 bytes
8 bytes
Page 564 of 803
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