HD64F3437TF16 Datasheet, PDF(106/752 Page) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

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HD64F3437TF16 Datasheet, PDF (106/752 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.

◁

Program execution

Interrupt

No

requested?

Yes

Yes

NMI?

No

No

I = 0?

Yes

No

IRQ0?

Yes

No

IRQ1?

Yes

Pending

IICI?

Yes

Latch vector no.

Save PC

Reset

Save CCR

Iâ1

Read vector address

Branch to software

interrupt-handling

routine

Figure 4.5 Hardware Interrupt-Handling Sequence

77

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