HD6475328-CP10 Datasheet, PDF (434/459 Pages) Hitachi Semiconductor – original Hitachi CMOS microcomputer unit (MCU)

Reset
R
QD
P9 n DDR
C
WP9D
Reset
WP9D: Write to P9DDR
WP9: Write to Port 9
RP9: Read Port 9
n:
2, 3, or 4
R
P9n
QD
P9 n DR
C
WP9
PWM timer module
Output enable
PWM1, PWM2, or PWM3 output
RP9
Figure C-9 (b) Schematic Diagram of Port 9, Pins P92, P93 and P94
Table C-9 (b) Port 9 Port Read (Pins P92 – P94)
Setting
Output enable
Output disable
DDR = 0
DDR = 1
Port Read Data
PWM 1, 2, 3 output value
Pin value
DR value
425