2 register descriptions – Panasonic MN103001G/F01K User Manual
Page 378
I/O Ports
15-12
15.3.2 Register Descriptions
Port 1 is a general-purpose input/output port that is also used for data bus signals D[7:0], address strobe
signal AS, and read/write select RWSEL.
Each register for port 1 is described below.
Port 1 output register
Register symbol: P1OUT
Address:
x'36008001
Purpose:
This register sets the data to be output on port 1.
Bit No.
7
6
5
4
3
2
1
0
Bit name
P17O P16O P15O P14O P13O P12O P11O P10O
Reset
0
0
0
0
0
0
0
0
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Port 1 pin register
Register symbol: P1IN
Address:
x'36008081
Purpose:
This register reads the values of the port 1 pins.
Bit No.
7
6
5
4
3
2
1
0
Bit name
P17I
P16I
P15I
P14I
P13I
P12I
P11I
P10I
Reset
X
X
X
X
X
X
X
X
Access
R
R
R
R
R
R
R
R