M16C62A Datasheet, PDF (143/242 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Programmable I/O Port
Mitsubishi microcomputers
M16C / 62A Group (80-pin)
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 1)
P10 to P14
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
(Note 1)
P15 to P17
Pull-up selection
Direction register
Data bus
Port P1 control register
Port latch
(Note 1)
P57, P60, P61, P64, P65,
P72 to P76, P80, P81,
P90, P92
Input to respective peripheral functions
Pull-up selection
Direction register
"1"
Data bus
Port latch
Output
(Note 1)
Input to respective peripheral functions
Note 1:
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each port.
Note 2: P1, P44 to P47, P72 to P75, P91 are not connected to external pins, but are present within the
microcomputer.
Figure 1.18.1. Programmable I/O ports (1)
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