HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 115

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

IRQ
Yes
Figure 5-4 Process Up to Interrupt Acceptance when UE = 1
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
I
I = 0
NMI
101
1
Yes
No
Yes
IRQ
Yes
0
IRQ
No
No
No
Yes
1
No
ADI
Yes
Pending