M16C62_N Datasheet, PDF (186/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

Programmable I/O Port
Pull-up selection
Direction register
P87
Data bus
Port latch
P86
Data bus
Pull-up selection
Direction register
"1"
Port latch
Output
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(Note)
fc
Rf
Rd
(Note)
Note :
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each port.
Figure 1.23.4. Programmable I/O ports (4)
BYTE
BYTE signal input
CNVSS
CNVSS signal input
(Note2)
(Note1)
(Note2)
(Note1)
RESET
RESET signal input
(Note1)
Note 1:
symbolizes a parasitic diode.
Do not apply a voltage higher than Vcc to each pin.
Note 2: A parasitic diode on the VCC side is added to the mask ROM version.
Do not apply a voltage higher than Vcc to each pin.
Figure 1.23.5. I/O pins
171