h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 620

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Controller Area Network (HCAN)
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.
Rev. 5.00 Sep 22, 2005 page 594 of 1136
REJ09B0257-0500
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