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Chapter 19
CAN Controller (CAN)
Preliminary User’s Manual U17566EE1V2UM00
Figure 19-45
shows the processing to not skip resumption of transmitting a
message that was stopped when transmission of an ABT message buffer was
aborted.
Figure 19-45
Transmission request abort processing (normal operation mode with
ABT)
Caution
1.
Do not set any transmission requests while ABT transmission abort
processing is in progress.
2.
Make a CAN sleep mode/CAN stop mode request after the ABTTRG bit is
cleared following the procedure shown in
Figure 19-44
or
Figure 19-45
.
When clearing a transmission request in an area other than the ABT area,
follow the procedure shown in
Figure 19-43 on page 754
.
END
ABTTRG bit = 0?
Yes
No
START
No
Yes
Clear ABTTRG bit.
Set ABTTRG bit = 0
Clear ABTTRG bit = 1
Set ABTCLR bit.
Set ABTCLR bit = 1
Clear ABTCLR bit = 0
Transmit abort
Transmission start
pointer clear?
Clear TRQ bit of message
buffer undergoing
transmission.
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