C8051F970-A-GM Datasheet, PDF (315/454 Pages) Silicon Laboratories – Low Power Capacitive Sensing MCU with up to 32 kB of Flash

C8051F97x
Register 26.31. P4DRV: Port 4 Drive Strength
Bit
7
6
5
4
3
2
1
0
Name
B7
B6
B5
B4
B3
B2
B1
B0
Type
RW
RW
RW
RW
RW
RW
RW
RW
Reset
0
0
0
0
0
0
0
0
SFR Page = 0xF; SFR Address: 0xB9
Table 26.34. P4DRV Register Bit Descriptions
Bit
Name
Function
7
B7
Port 4 Bit 7 Drive Strength.
0: P4.7 output has low output drive strength.
1: P4.7 output has high output drive strength.
6
B6
Port 4 Bit 6 Drive Strength.
0: P4.6 output has low output drive strength.
1: P4.6 output has high output drive strength.
5
B5
Port 4 Bit 5 Drive Strength.
0: P4.5 output has low output drive strength.
1: P4.5 output has high output drive strength.
4
B4
Port 4 Bit 4 Drive Strength.
0: P4.4 output has low output drive strength.
1: P4.4 output has high output drive strength.
3
B3
Port 4 Bit 3 Drive Strength.
0: P4.3 output has low output drive strength.
1: P4.3 output has high output drive strength.
2
B2
Port 4 Bit 2 Drive Strength.
0: P4.2 output has low output drive strength.
1: P4.2 output has high output drive strength.
1
B1
Port 4 Bit 1 Drive Strength.
0: P4.1 output has low output drive strength.
1: P4.1 output has high output drive strength.
0
B0
Port 4 Bit 0 Drive Strength.
0: P4.0 output has low output drive strength.
1: P4.0 output has high output drive strength.
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Rev 1.0