Panasonic MN101C77C - Manual (Page 183)

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