LAPIS Semiconductor ML610421, User Manual, Page: 249 / 437

ML610Q421/ML610Q422/ML610421 User’s Manual
Chapter 18 Port 1
18 – 3
18.2.2 Port 1 Data Register (P1D)
Address: 0F208H
Access: R
Access size: 8 bits
Initial value: Depends on pin status
7 6 5 4 3 2 1 0
P1D
     
P11D P10D
R R R R R R R R R
Initial value 0 0 0 0 0 0 x x
P1D is a special function register (SFR) dedicated to read the input level of the Port 1 pin.
[Description of Bits]
•
P11D, P10D (bits 1, 0)
The P11D and P10D bits are used to read the input level of the Port 1 pin.
P11D Description
0 Input level of the P11 pin: ”L”
1 Input level of the P11 pin: ”H”
P10D Description
0 Input level of the P10 pin: ”L”
1 Input level of the P10 pin: ”H”