Panasonic MN103001G/F01K User Manual
I/O Ports
15-42
15.9.2 Register Descriptions
Port 7 is a general-purpose output port that is also used for address bus signal A23, DRAM RAS signals RAS2
and RAS1, chip select signals CS3 to CS0.
Each register for port 7 is described below.
Port 7 output register
Register symbol: P7OUT
Address:
x'3600800D
Purpose:
This register sets the data to be output on port 7.
Bit No.
7
6
5
4
3
2
1
0
Bit name
-
-
-
-
P73O P72O P71O P70O
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R
R/W
R/W
R/W
R/W
Port 7 output mode register
Register symbol: P7MD
Address:
Address:
x'3600802D
Purpose:
This register selects the content output on the port 7 pins.
Bit No.
7
6
5
4
3
2
1
0
Bit name
-
-
-
-
P73M P72M P71M P70M
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R
R/W
R/W
R/W
R/W