HD6432621 Hitachi, HD6432621 Datasheet - Page 611

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

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 ABACK
Clear TXACK
Figure 15-8 Transmit Message Cancellation Flowchart
ABACK = 1
cancellation
Clear IRR8
IMR8 = 1?
IRR8 = 1
No
Yes
No
Yes
Completion of message transmission
Clear TXCR, TXPR
TXACK = 1
IRR8 = 1
: Settings by user
: Processing by hardware
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