R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 531

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 13.10 shows a flowchart for transmit message cancellation.
Message transmit wait TXPR setting
End of transmission/transmission
Set TXCR bit corresponding to
Figure 13.10 Transmit Message Cancellation Flowchart
message to be canceled
Cancellation possible?
Clear TXCR, TXPR
Message not sent
Interrupt to CPU
Clear TXACK
Clear ABACK
cancellation
ABACK = 1
Clear IRR8
IMR8 = 1?
IRR8 = 1
Yes
No
Yes
Completion of message transmission
Section 13 Controller Area Network (HCAN)
Rev. 3.00 Mar. 14, 2006 Page 493 of 804
No
Clear TXCR, TXPR
: Settings by user
: Processing by hardware
TXACK = 1
IRR8 = 1
REJ09B0104-0300