Renesas M16C/29 Series Hardware Manual page 332

M16C/29 Group
P2 , P2 , P7 , P7
0 1 1 2
Data bus
P8 to P8
2 4
Data bus
P3 , P7 , P9 to P9
1 7 0 2
Data bus
Figure 19.2. I/O Ports (2)
Rev.1.00 Nov 01,2004
REJ09B0101-0100Z
Pull-up selection
Direction
register
Port latch
Input to respective peripheral functions
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
Pull-up selection
Direction register
Port latch
Input to respective peripheral functions
Note 1:
page 312 of 402
"1"
Output
Switching
between
CMOS and
Nch
symbolizes a parasitic diode.
Make sure the input voltage on each port will not exceed Vcc.
19. Programmable I/O Ports
(Note 1)
(Note 1)
(Note 1)