MN101C115 Datasheet, PDF (64/170 Pages) Panasonic Semiconductor – Request for your special attention and precautions in using the technical information and semiconductors described in this book

Chapter 3 Port Functions
Pull-up resistor control
Port input data
Special function input data
s Pin Configuration for P20, P22 to P23
Write
Reset
R
DQ
L
Read
Read
Schmitt trigger input
*P23 is only for
48-pin package.
P20 P22 P23
Pull-up
resistor
control
Control bit P2PLU0 P2PLU2 P2PLU3
Register
(address)
P2PLU
(X'03F42')
Control bit
Port input _Register
(address)
Special func ion
input
Interrupt input
P2IN0 P2IN2
P2IN
(X'03F22')
IRQ0 IRQ2
P2IN3
IRQ3
Figure 3-3-4 Configuration and Functions of P20, P22, P23
50 I/O Port Configuration and Functions