HD64F3437TF16 Datasheet, PDF(736/752 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 (736/752 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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Reset

R

QD

P92DDR

C

WP9D

Reset

R

P92

QD

P92DR

C

WP9

RP9

WP9D: Write to P9DDR

WP9: Write to port 9

RP9: Read port 9

IRQ0 input

IRQ enable register

IRQ0 enable

Figure C.9 (c) Port 9 Block Diagram (Pin P92)

707

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