M16C62 Datasheet, PDF (143/231 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,
P81, 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 / 62 Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(Note1)
(Note1)
(Note1)
P85
P70, P71
Data bus
NMI interrupt input
Direction register
"1"
Port latch
Output
(Note1)
(Note2)
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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