M16C62N Datasheet, PDF (144/213 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Programmable I/O Port
P82 to P84
Data bus
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
P55, P62, P66, P77,
P91, P97
Data bus
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
P63, P67
Data bus
Pull-up selection
Direction register
"1"
Port latch
Output
Mitsubishi microcomputers
M16C / 62N Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(Note 1)
(Note 1)
(Note 1)
P85
Data bus
NMI interrupt input
P70, P71
Data bus
Direction register
"1"
Port latch
Output
(Note 1)
(Note 2)
Input to respective peripheral functions
Note 1:
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each port.
Note 2:
symbolizes a parasitic diode.
Note 3: P1, P44 to P47, P72 to P75, P91 are not connected to external pins, but are present
within the microcomputer.
Figure 1.18.2. Programmable I/O ports (2)
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