HD64F3437TF16 Datasheet, PDF(735/752 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 (735/752 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.

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HIE

STAC

Reset

R

QD

P91DDR

C

WP9D

Reset

R

P91

QD

P91DR

C

WP9

RP9

HIF

EIOW input

WP9D: Write to P9DDR

WP9: Write to port 9

RP9: Read port 9

IRQ1 input

IRQ enable register

IRQ1 enable

Figure C.9 (b) Port 9 Block Diagram (Pin P91)

706

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