Programmable I/O Ports
M30240 Group
Rev.1.00 Sep 24, 2003 Page 111 of 360
Figure 1.106: Programmable I/O ports (1)
P3
0
to
P3
6
Port latch
Pull-up selection
Direction register
Data bus
Port latch
Pull-up selection
Direction register
Data bus
Input respective peripheral functions
P7
0,
P7
2
P7
4,
P7
6,
P8
0
“1”
Output
P2
0
to
P2
7
Port latch
Pull-up selection
Direction register
Data bus
Drive capacity control register
Drive capacity control register
Port latch
Pull-up selection
Direction register
Data bus
Input respective peripheral functions
P0
0
to P0
7
,
P1
0
to P1
7
,
P6
2
, P6
6
, P7
1
,
P7
3
, P75, P7
7
,
P8
1
, P8
2
,
P8
4
, P8
7