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CAN Module Configuration
1427
SPNU563A–March 2018
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Controller Area Network (DCAN) Module
NOTE: The module would not come out of the “initialization mode” if any incorrect BTR values are
written in step 4.
27.4.2.2 Configuration of Message Objects
The whole Message RAM should be configured before putting the CAN into operation. All the message
objects are deactivated by default. You should configure the message object that are to be used to a
particular identifier. you can change the configuration of any message object or deactivate it when
required.
The message objects can be configured only through the Interface registers (IFx) and the CPU does not
have direct access to the message object (Message RAM) when DCAN is in operation.
To configure the message objects, you must know about:
1. The message object structure (Section 27.5)
2. The interface register set (IFx) (Section 27.6)
NOTE: The message objects initialization is independent of the bit-timing configuration procedure.
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