M16C30L Datasheet, PDF (138/166 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Programmable I/O Port
Mitsubishi microcomputers
M16C / 30L Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
P00 to P07, P20 to P27,
P30 to P37, P40 to P47,
P50 to P54, P56
Data bus
Pull-up selection
Direction register
Port latch
(Note)
P10 to P14
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
(Note)
P15 to P17
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
(Note)
P57, P60, P61, P64, P65,
P72, P73, P74
Input to respective peripheral functions
Pull-up selection
Direction register
"1"
Data bus
Port latch
Output
Input to respective peripheral functions
Note:
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each port.
Figure 1.20.1. Programmable I/O ports (1)
(Note)
137