M16C6S_09 Datasheet, PDF (139/208 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6S Group
Programmable I/O Ports
P61, P65
Data bus
Pull-up selection
Direction
register
"1"
Port latch
Output
Switching
between
CMOS and
Nch
Input to respective peripheral functions
(Note 1)
P83, P84
Pull-up selection
Direction register
Data bus
Port latch
Input to respective peripheral functions
(Note 1)
Pull-up selection
Direction register
P91
Data bus
Port latch
Input to respective peripheral functions
(Note 1)
Note 1:
symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed Vcc.
Figure 1.18.2. I/O Ports (2)
Rev.5.01 Dec 10, 2009 page 139 of 201
REJ03B0014-0501