HD6432646 Hitachi, HD6432646 Datasheet - Page 618

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

15.3.8
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.
584
DTC initialization
DTC Interface
DTC register information setting
Message reception in HCAN’s
DTC enable register setting
RXPR and RFPR clearing
End of DTC transfer?
Transfer counter = 0
Interrupt to CPU
DTC activation
or DISEL = 1?
mailbox 0
End
Yes
Yes
Figure 15-13 DTC Transfer Flowchart
No
No
: Settings by user
: Processing by hardware