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Port 2 input/output control register
Register symbol: P2DIR
Address:
x'36008064
Purpose:
This register sets the port 2 pins for input or output.
(0: input; 1: output)
Bit No.
7
6
Bit name P27D P26D P25D P24D P23D P22D P21D P20D
Reset
0
0
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Port 2 output mode register
Register symbol: P2MD
Address:
x'36008024
Purpose:
When P2M is "1", the port 2 pins are set as a general-purpose port; when P2M is "0", the port
2 pins are set as data pins.
When P2PU is "1", the port 2 pins are pulled up.
Note: The setting of P2PU that pulls up (or does not pull up) the port 2 pins can be made
regardless of the value of P2M.
Bit No.
7
6
Bit name
-
-
Reset
0
0
Access
R
R
() are set when address/data multiplex mode.
Note that setting P2M to "0" in address/data multiplex mode is prohibited.
5
4
3
2
0
0
0
0
5
4
3
2
-
-
-
-
P2PU P2M
0
0
0
0
1(0)
R
R
R
R
R/W R/W
1
0
0
0
1
0
0(1)
I/O Ports
15-17
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