M16C6S_09 Datasheet, PDF (140/208 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6S Group
Programmable I/O Ports
P62, P66, P71
Data bus
Pull-up selection
Direction register
Port latch
Switching
between
CMOS and Nch
Input to respective peripheral functions
P63, P67
Data bus
Pull-up selection
Direction register
“1”
Port latch
Output
Switching between CMOS and Nch
P85
Data bus
(Note 1)
(Note 1)
(Note 1)
Direction register
P70
“1”
Data bus
Port latch
Output
(Note 2)
Input to respective peripheral functions
Note 1:
symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed Vcc.
Note 2:
symbolizes a parasitic diode.
Figure 1.18.3. I/O Ports (3)
Rev.5.01 Dec 10, 2009 page 140 of 201
REJ03B0014-0501