Si1000/1/2/3/4/5
SFR Definition 7.6. CPT1MX: Comparator1 Input Channel Select
Bit
Name
Type
Reset
R/W
1
7
6
5
4
3
2
1
0
CMX1N[3:0]
R/W
1
R/W
1
R/W
1
R/W
1
CMX1P[3:0]
R/W
1
R/W
1
R/W
1
SFR Page = 0x0; SFR Address = 0x9E
Bit
Name
7:4
CMX1N
Function
Comparator1 Negative Input Selection.
Selects the negative input channel for Comparator1.
0000:
0001:
0010:
0011:
0100:
0101:
0110:
0111:
P0.1
P0.3
P0.5
P0.7
Reserved
Reserved
P1.5
P1.7
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
P2.1
P2.3
P2.5
Reserved
Capacitive Touch Sense
Compare
VDD_MCU divided by 2
Digital Supply Voltage
Ground
3:0
CMX1P
Comparator1 Positive Input Selection.
Selects the positive input channel for Comparator1.
0000:
0001:
0010:
0011:
0100:
0101:
0110:
0111:
P0.0
P0.2
P0.4
P0.6
Reserved
Reserved
Reserved
P1.6
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
P2.0
P2.2
P2.4
P2.6
Capacitive Touch Sense
Compare
VDD_MCU divided by 2
VBAT Supply Voltage
VDD_MCU Supply Voltage
108
Rev. 1.0
SILABS [ SILICON LABORATORIES ]
