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M16C/29 Group
17.1.1. CAN0 Message Box
Table 17.1 shows the memory mapping of the CAN0 message box.
It is possible to access to the message box in byte or word.
Mapping of the message contents differs from byte access to word access. Byte access or word access
can be selected by the MsgOrder bit of the C0CTLR register.
Table 17.1 Memory Mapping of CAN0 Message Box
Address
0060
16
0060
16
0060
16
0060
16
0060
16
0060
16
0060
16
0060
16
0060
+ n • 16 + 13
16
0060
+ n • 16 + 14
16
0060
+ n • 16 + 15
16
n = 0 to 15: the number of the slot
Rev.1.00 Nov 01,2004
REJ09B0101-0100Z
+ n • 16 + 0
+ n • 16 + 1
+ n • 16 + 2
+ n • 16 + 3
+ n • 16 + 4
+ n • 16 + 5
+ n • 16 + 6
+ n • 16 + 7
•
•
•
page 282 of 402
Message content (Memory mapping)
Byte access (8 bits)
SID
to SID
10
6
SID
to SID
5
0
EID
to EID
17
14
EID
to EID
13
6
EID
to EID
5
0
Data Length Code (DLC)
Data byte 0
Data byte 1
•
•
•
Data byte 7
Time stamp high-order byte Time stamp low-order byte
Time stamp low-order byte Time stamp high-order byte
17. CAN Module
Word access (16 bits)
SID
to SID
5
0
SID
to SID
10
6
EID
to EID
13
6
EID
to EID
17
14
Data Length Code (DLC)
EID
to EID
5
0
Data byte 1
Data byte 0
•
•
•
Data byte 6
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