Fujitsu F2MCTM-16LX Manual

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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

- - -

76543210

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".