Panasonic MN101C00 User Manual page 62

Chapter 3 Port Functions
Pull-up resistor control
I/O direction control
Port output data
Port input data
Special function input data
48
I/O Port Configuration and Functions
P01
Reset
R
D Q
Write
L Read
Reset
R
D Q
Write
L Read
Reset
R
D Q
Write
L Read
Read
Pull-up
resistor
control
I/O direction
control
Port output
Port input
Special function input
Figure 3-3-2 Configuration and Functions of P01
Schmitt trigger input
Control bit
P0PLU1
Register
P0PLU
(address)
(X'03F40')
Control bit P0DIR1
Register
(address)
(X'03F30')
Control bit
P0OUT1
Register
P0OUT
(address)
(X'03F10')
Control bit
Register
(address)
(X'03F20')
Special function
SBI0/RXD
P01
P0DIR
P0IN1
P0IN