HD64F3437TF16 Datasheet, PDF (726/752 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.

Hardware standby
RP6P
Reset
R
QD
KM₇PCR
C
WP6P
Reset
R
QD
P6₇DDR
C
WP6D
Reset
R
P6₇
QD
P6₇DR
C
WP6
RP6
WP6D:
WP6:
RP6:
RP6P:
WP6P:
Write to P6DDR
Write to port 6
Read port 6
Read KMPCR
Write to KMPCR
KMIMR₇
Key-sense interrupt
input
IRQ₇ input
IRQ enable register
IRQ₇ enable
Figure C.6 (d) Port 6 Block Diagram (Pin P6₇)
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