(9) Port P30–P34
Direction
register
Data bus
Port latch
A-D converter input
Analog input pin selection bit
(11) Port P41–P43
Direction
register
Data bus
Port latch
Interrupt input
Fig. 9 Port block diagram (2)
MITSUBISHI MICROCOMPUTERS
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
(10) Port P40
Data bus
Direction
register
Port latch
Pulse output mode
Timer output
CNTR1 interrupt input
(12) Port P44
PWM output enable bit
Direction
register
Data bus
Port latch
PWM output
11