C8051F980-C-GM Datasheet, PDF (99/325 Pages) Silicon Laboratories – Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

C8051F99x-C8051F98x
SFR Definition 7.3. CPT0MX: Comparator0 Input Channel Select
Bit
7
6
5
4
3
2
1
0
Name
CMX0N[3:0]
CMX0P[3:0]
Type ^R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
1
0
0
0
1
0
0
SFR Page = 0x0; SFR Address = 0x9F
Bit Name
Function
7:4 CMX0N Comparator0 Negative Input Selection.
Selects the negative input channel for Comparator0.
0000:
0001:
0010:
0011:
0100:
Reserved
Reserved
Reserved
Reserved
P1.1
1000:
1001:
1010:
1011:
1100:
0101:
Reserved
1101:
0110:
Reserved
1110:
0111:
Reserved
1111:
3:0 CMX0P Comparator0 Positive Input Selection.
Selects the positive input channel for Comparator0.
0000:
Reserved
1000:
0001:
Reserved
1001:
0010:
Reserved
1010:
0011:
Reserved
1011:
0100:
P1.0
1100:
0101:
0110:
0111:
Reserved
Reserved
Reserved
1101:
1110:
1111:
Reserved
Reserved
Reserved
Reserved
Capacitive Touch Sense 
Compare
VDD divided by 2
Digital Supply Voltage
Ground
Reserved
Reserved
Reserved
Reserved
Capacitive Touch Sense 
Compare
VDD divided by 2
VDD Supply Voltage
VDD Supply Voltage
Rev. 1.2
99