Panasonic F77G User Manual page 183

4-7-3 Block Diagram
Nch open-drain control
Pull-up/down resistor control
Pull-up/down resistor selection
I/O direction control
Port output data
Port input data
Serial interface 0 transmission data output
UART transmission data output
SC0MD1 register
SC0SBOS flag
Pull-up/down resistor control
Pull-up/down resistor selection
I/O direction control
Port output data
Port input data
Serial interface 0 reception data output
UART reception data output
Reset
SC0ODC2
R
D Q
Write L
Read
Reset
P7PLUD0
R
D Q
Write L
Read
Reset
FLOAT(bp4)
R
D Q
Write
L Read
Reset
P7DIR0
R
D Q
Write
L Read
Reset
P7OUT0
R
D Q
Write
L Read
P7IN0
Read
Figure 4-7-3 Block Diagram (P70)
Reset
P7PLUD1
R
D Q
Write L Read
Reset
FLOAT(bp4)
R
D Q
Write
L Read
Reset
P7DIR1
R
D Q
Write
L Read
Reset
P7OUT1
R
D Q
Write
L Read
P7IN1
Read
Figure 4-7-4 Block Diagram (P71)
0 M
U
1
X
Chapter 4 I/O Ports
P70
P71
IV - 33
Port 7