HD6432646 Hitachi, HD6432646 Datasheet - Page 608

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HD6432646

Manufacturer Part Number
HD6432646
Description
(HD64F264x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet

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574
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
Clear IRR8
cancellation
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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