HD64F3437TF16 Datasheet, PDF(721/752 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 (721/752 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.

◁

Reset

R

QD

P51DDR

C

WP5D

Reset

SCI

Input enable

R

P51

QD

P51DR

C

WP5

RP5

WP5D: Write to P5DDR

WP5: Write to port 5

RP5: Read port 5

Figure C.5 (b) Port 5 Block Diagram (Pin P51)

Serial receive

data

692

▷