Renesas M16C/60 Series Hardware Manual page 243

Under development
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M16C/6N5 Group
P1 to P1
0 4
P1 to P1
5 7
P5 , P6 , P6 , P7 , P 7
7 0 4 0
P8 , P8 , P9 , P9
0 1 0 2
Figure 1.20.1 I/O Ports (1)
Rev.1.00 2003.05.30 page 229
Direction register
Data bus
Direction register
Data bus
Input to respective peripheral functions
to P7 ,
3 6
Data bus
Input to respective peripheral functions
Note:
Pull-up selection
Port P1 control register
Port latch
Pull-up selection
Port P1 control register
Port latch
Pull-up selection
Direction
register
"1"
Output
Port latch
symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed Vcc.
Programmable I/O Ports
(Note)
(Note)
(Note)