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Chapter 19
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Figure 19-43
Transmission abort processing (normal operation mode)
Caution
1.
Execute transmission request abort processing by clearing the TRQ bit, not
the RDY bit.
2.
Before making a sleep mode transition request, confirm that there is no
transmission request left using this processing.
3.
The TSTAT bit can be periodically checked by a user application.
Preliminary User's Manual U17566EE1V2UM00
START
Clear TRQ bit.
Set TRQ bit = 0
Clear TRQ bit = 1
Wait for 11 CAN data bits.
No
TSTAT bit = 0?
Yes
Read CnLOPT register.
Message buffer to
No
be aborted matches
CnLOPT register?
Yes
Transmission successful
END
CAN Controller (CAN)
Transmit abort request
was successful.
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