h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 498

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 14 Controller Area Network (HCAN)
Rev. 2.00 Dec. 05, 2005 Page 460 of 724
REJ09B0200-0200
Message transmit wait TXPR setting
End of transmission/transmission
Set TXCR bit corresponding to
Figure 14.10 Transmit Message Cancellation Flowchart
message to be canceled
Cancellation possible?
Clear TXCR, TXPR
Message not sent
Interrupt to CPU
Clear ABACK
Clear TXACK
cancellation
ABACK = 1
Clear IRR8
IMR8 = 1?
IRR8 = 1
Yes
No
Yes
Completion of message transmission
No
Clear TXCR, TXPR
TXACK = 1
IRR8 = 1
: Settings by user
: Processing by hardware