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HD64F3437TF16 Datasheet, PDF (717/752 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
P4nDDR
C
WP4D
Reset
R
P4n
QD
P4nDR
C
8-bit timer
WP4
Output enable
8-bit timer output
PWM timer output
RP4
WP4D: Write to P4DDR
WP4: Write to port 4
RP4: Read port 4
n = 1, 6, 7
Figure C.4 (b) Port 4 Block Diagram (Pins P41, P46, P47)
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