Panasonic F77G User Manual page 179

4-6-3 Block Diagram
Pull-up resistor control
I/O direction control
Port output data
Port input data
Syncronous output control
Reset
P6PLU0-7
R
D Q
Write L
Read
Reset
P6DIR0-7
R
D Q
Write
L Read
Reset Reset
P6OUT0-7
R R
D Q D Q
L
Write
L Read
S
Set
P6IN0-7
Read
Syncronous output event
Reset
P6SYO0-7
R
D Q
Write L
Read
Figure 4-6-3 Block Diagram (P60 to P67)
0
M
U
1
X
Schmitt input
Chapter 4 I/O Ports
P60-P67
IV - 29
Port 6