2 register descriptions – Panasonic MN103001G/F01K User Manual
Page 373
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I/O Ports
15-7
Fig. 15-2-2 Port 0 Block Diagram (P01, P00)
15.2.2 Register Descriptions
Port 0 is a general-purpose output port that is also used for address bus A [22:20], DRAM CAS signal CAS.
Each register for port 0 is described below.
Port 0 output register
Register symbol: P0OUT
Address:
x'36008000
Purpose:
This register sets the data to be output on port 0.
Bit No.
7
6
5
4
3
2
1
0
Bit name
-
-
-
-
-
P02O P01O P00O
Reset
0
0
0
0
0
0
0
0
Access
R
R
R
R
R
R/W
R/W
R/W
Internal data bus
P0n
(n=1,0)
P0OUT
P0nO
P...
Represents one bit of each register.
M
P
X
A21(n=1),
P0nMD
P0MD
A23 to A16
Output enable signals
A20(n=0)
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