HD643303x Hitachi, HD643303x Datasheet - Page 108

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HD643303x

Manufacturer Part Number
HD643303x
Description
Hitachi Microcomputer
Manufacturer
Hitachi
Datasheet
Figure 5-4 Process Up to Interrupt Acceptance when UE = 1
IRQ
Yes
0
Priority level 1?
IRQ
No
Yes
1
Yes
Yes
No
ADI
Program execution state
Yes
Read vector address
Interrupt requested?
Save PC and CCR
Branch to interrupt
service routine
No
93
I
I = 0
NMI
1
Yes
No
Yes
IRQ
Yes
0
IRQ
No
No
No
Yes
1
No
ADI
Yes
Pending

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