HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 83

• Manufacturer Part Number: HD6433308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

Interrupt request
signal
Internal Read
signal
Internal Write
signal
Internal 16-bit
data bus
Ø
Internal address
bus
(1)
(2) (4) Instruction code (Not executed)
(3)
(5)
(6)
(7)
(8)
(9)
(10)
(1)
(2) (4)
(3)
(5)
(6)
(7)
(8)
(9)
(10)
CCR
interrupt-handling routine.)
SP–2
SP–4
Address of vector table entry
Instruction prefetch address (Not executed)
Vector table entry (address of first instruction interrupt-handling routine)
First instruction of interrupt-handling routine
Instruction prefetch address (Pushed on stack. Instruction is executed on return from
Interrupt priority
decision. Wait for
end of instruction.
Instruction prefetch address (Pushed on stack. Instruction is executed on return from
interrupt-handling routine.)
Instruction code (Not executed)
Instruction prefetch address (Not executed)
SP–2
SP–4
CCR
Address of vector table entry
Vector table entry (address of first instruction interrupt-handling routine)
First instruction of interrupt-handling routine
(1)
(2)
Interrupt
accepted
Figure 4-5. Timing of Interrupt Sequence
Instruction
fetch
(3)
(4)
Internal
process-
ing
68
(5)
(1)
Stack
(6)
(7)
Vector
table
fetch
(8)
(9)
Internal
process-
ing
Instruction fetch
(first instruction of
interrupt-handling
routine)
(9)
(10)