HD64F3437TF16 Datasheet, PDF (108/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

Interrupt
accepted
Interrupt priority
decision. Wait for Instruction Internal
end of instruction. prefetch process-
ing
Interrupt request
signal
Stack
Vector
fetch
Instruction prefetch
(first instruction of
Internal interrupt-handling
process- routine)
ing
ø
Internal address
(1)
(3)
(5)
(6)
(8)
(9)
bus
Internal read
signal
Internal write
signal
Internal 16-bit
data bus
(2)
(4)
(1)
(7)
(9)
(10)
(1)
(2) (4)
(3)
(5)
(6)
(7)
(8)
(9)
(10)
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 of interrupt-handling routine)
First instruction of interrupt-handling routine
Figure 4.7 Timing of Interrupt Sequence
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