CHAPTER 19 FCAN CONTROLLER (V850/SC3)
User’s Manual U15109EJ3V0UD
583
19.5.5 CAN message ID registers L00 to L31 and H00 to H31 (M_IDL00 to M_IDL31 and M_IDH00 to M_IDH31)
The M_IDLn and M_IDHn registers are areas used to set identifiers (n = 00 to 31).
These registers can be read/written in 16-bit units.
When in standard format mode, any data can be stored in the following areas.
ID17 to ID10: First byte of receive data
Note
is stored.
ID9 to ID12:
Second byte of receive data
Note
is stored.
ID1, ID0:
Third byte (higher two bits) of receive data
Note
is stored.
Note
See
19.5.4 CAN message data registers n0 to n7 (M_DATAn0 to M_DATAn7)
.
After reset: Undefined
R/W
Address: See
Table 19-7
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
M_IDHn
(n = 00 to 31)
IDE
0
0
ID
28
ID
27
ID
26
ID
25
ID
24
ID
23
ID
22
ID
21
ID
20
ID
19
ID
18
ID
17
ID
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
M_IDLn
(n = 00 to 31)
ID
15
ID
14
ID
13
ID
12
ID
11
ID
10
ID
9
ID
8
ID
7
ID
6
ID
5
ID
4
ID
3
ID
2
ID
1
ID
0
IDE
Specification of format setting mode
0
Standard format mode (ID28 to ID18: 11 bits)
1
Extended format mode (ID28 to ID0: 29 bits)