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Chapter 7
I/O Port
7.2.6
Port n N-ch Drive Strength Selection Registers
PnNLC is the register to select the drive strength of Nch output transistor of I/O.
Port 0 N-ch Current Capacity Selection Register (P0NLC: 0x03EC0)
bp
Bit name
At reset
Access
bp
7-0
Port 2 N-ch Current Capacity Selection Register (P2NLC: 0x03EC1)
bp
Bit name
At reset
Access
bp
7
6-0
Port 3 N-ch Current Capacity Selection Register (P3NLC: 0x03EC2)
bp
Bit name
At reset
Access
bp
7-0
VII - 22
Control Registers
7
6
0
0
R/W
R/W
Bit name
N-ch current capacity selection
P0NLC7-0
0: normal current capacity (2mA)
1: Large current capacity (8mA)
7
6
-
0
0
R
R/W
Bit name
-
Always read as 0.
N-ch current capacity selection
P2NLC6-0
0: normal current capacity (2mA)
1: Large current capacity (8mA)
7
6
0
0
R/W
R/W
Bit name
N-ch current capacity selection
P3NLC7-0
0: normal current capacity (2mA)
1: Large current capacity (8mA)
5
4
P0NLC7-0
0
0
R/W
R/W
R/W
Description
5
4
P2NLC6-0
0
0
R/W
R/W
R/W
Description
5
4
P3NLC7-0
0
0
R/W
R/W
R/W
Description
3
2
1
0
0
0
R/W
R/W
3
2
1
0
0
0
R/W
R/W
3
2
1
0
0
0
R/W
R/W
0
0
R/W
0
0
R/W
0
0
R/W
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