HD64F3437TF16 Datasheet, PDF (723/752 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.

C.6 Port 6 Block Diagrams
Hardware standby
P6_n
RP6P
Reset
R
QD
KM_nPCR
C
WP6P
Reset
Q
R
D
P6_nDDR
C
WP6D
Reset
R
QD
P6_nDR
C
WP6
RP6
WP6D: Write to P6DDR
WP6: Write to port 6
RP6: Read port 6
RP6P: Read KMPCR
WP6P: Write to KMPCR
n = 0, 2, 3, 4, 5
Free-running timer
Input capture input
Counter clock input
Key-sense interrupt
input
KMIMR_n
Figure C.6 (a) Port 6 Block Diagram (Pins P6₀, P6₂, P6₃, P6₄, P6₅)
694