h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 609

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

Set TXCR bit corresponding to message
Message transmit wait TXPR setting
End of transmission/transmission
Cancellation possible?
Clear TXCR, TXPR
Message not sent
Interrupt to CPU
to be canceled
Clear TXACK
Clear ABACK
Figure 15.8 Transmit Message Cancellation Flowchart
ABACK = 1
cancellation
Clear IRR8
IMR8 = 1?
IRR8 = 1
No
Yes
No
Yes
Section 15 Controller Area Network (HCAN)
Rev. 5.00 Sep 22, 2005 page 583 of 1136
Completion of message transmission
Clear TXCR, TXPR
TXACK = 1
IRR8 = 1
: Settings by user
: Processing by hardware
REJ09B0257-0500