HD6475348R Datasheet, PDF (467/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Reset
R
QD
WP9D: Write to P9DDR
WP9: Write to Port 9
RP9: Read Port 9
P9 2 DDR
C
WP9D
Reset
R
P92
QD
P9 2 DR
C
WP9
PWM timer module
PWM output enable
PWM1 output
Bit 1 System control register 2
P9PWME
Q
Bit 0 System control register 2
P9SCI2E
RP9
Q
SCI2 output enable
Serial transmit data
SCI2 module
Figure C-9 (b) Schematic Diagram of Port 9, Pin P92
Table C-9 (b) Port 9 Port Read (Pin P92)
Setting
Port 9
SCI2
enable
Port 9
SCI2
disable
Port 9
SCI2
disable
Port 9
SCI2
enable
Port 9
PWM
disable
Port 9
PWM
enalbe
Port 9
PWM
disable
Port 9
PWM
enable
SCI2 output enable
SCI2 output disable DDR = 0
DDR = 1
PWM output enable
PWM output disable DDR = 0
DDR = 1
PWM and SCI2
DDR = 0
output either enabled DDR = 1
or disabled
DDR = 0
DDR = 1
Port Read Data (Pin P92)
Serial transmit data value
Pin value
DR value
PWM1 output value
Pin value
DR value
Pin value
DR value
Pin value
DR value
457