584
15.3.8
DTC Interface
The DTC can be activated by reception of a message in the HCAN’s mailbox 0. When DTC
transfer ends after DTC activation has been set, the RXPR0 and RFPR0 flags are acknowledge
signal automatically. An interrupt request due to a receive interrupt from the HCAN cannot be sent
to the CPU in this case. Figure 15-13 shows a DTC transfer flowchart.
DTC enable register setting
DTC register information setting
End of DTC transfer?
End
No
DTC initialization
Message reception in HCAN’s
mailbox 0
DTC activation
Transfer counter = 0
or DISEL = 1?
No
Interrupt to CPU
Yes
Yes
: Settings by user
: Processing by hardware
RXPR and RFPR clearing
Figure 15-13 DTC Transfer Flowchart
Содержание H8S/2645
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