C8051F850-C-GM Datasheet, PDF (147/328 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

Register 17.3. CPT0MX: Comparator 0 Multiplexer Selection
Bit
7
6
5
4
3
2
1
0
Name
CMXN
CMXP
Type
RW
RW
Reset
1
1
1
1
1
1
1
1
SFR Address: 0x9F
Table 17.7. CPT0MX Register Bit Descriptions
Bit
Name
Function
7:4
CMXN Comparator 0 Negative Input MUX Selection.
0000: External pin CP0N.0
0001: External pin CP0N.1
0010: External pin CP0N.2
0011: External pin CP0N.3
0100: External pin CP0N.4
0101: External pin CP0N.5
0110: External pin CP0N.6
0111: External pin CP0N.7
1000: GND
1001-1111: Reserved.
3:0
CMXP Comparator 0 Positive Input MUX Selection.
0000: External pin CP0P.0
0001: External pin CP0P.1
0010: External pin CP0P.2
0011: External pin CP0P.3
0100: External pin CP0P.4
0101: External pin CP0P.5
0110: External pin CP0P.6
0111: External pin CP0P.7
1000: Internal LDO output
1001-1111: Reserved.
Rev. 1.0
129