12 setting the can direct mode register – FUJITSU F2MCTM-16LX User Manual
Page 518
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CHAPTER 21 CAN CONTROLLER
21.12
Setting the CAN Direct Mode Register
To operate CAN normally, this register must be set correctly.
■
CAN Direct Mode Register (CDMR) (Only MB90V340)
Figure 21.12-1 Configuration of the CAN Direct Mode Register (CDMR) (Only MB90V340)
Note:
MB90360 does not have the clock modulation function.
So, at using CAN controller, the DIRECT bit of the register must be set "1".
Initial value
X X X X X X X 0
B
Address:
H
CAN0: 00796E
CDMR
-
-
-
-
R/W
- - - -
-
-
-
DIRECT
- - -
7
6
5
4
3
2
1
0
X
-
R/W : Readable and writable
: Undefined value
: Undefined
Table 21.12-1 Function of CAN Direct Mode Register (CDMR)
Bit Name
Function
bit 7 to 1
Undefined bits
-
bit 0
DIRECT
If the clock modulation is set (initial state), the bit should be set "0".
If the clock modulation is not set, the bit should be set "1".
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