C8051F850-B-GM Datasheet, PDF (128/290 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

C8051F85x/86x
Register 17.6. CPT1MX: Comparator 1 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: 0xAA
Table 17.10. CPT1MX Register Bit Descriptions
Bit
Name
Function
7:4
CMXN Comparator 1 Negative Input MUX Selection.
0000: External pin CP1N.0
0001: External pin CP1N.1
0010: External pin CP1N.2
0011: External pin CP1N.3
0100: External pin CP1N.4
0101: External pin CP1N.5
0110: External pin CP1N.6
0111: External pin CP1N.7
1000: GND
1001-1111: Reserved.
3:0
CMXP Comparator 1 Positive Input MUX Selection.
0000: External pin CP1P.0
0001: External pin CP1P.1
0010: External pin CP1P.2
0011: External pin CP1P.3
0100: External pin CP1P.4
0101: External pin CP1P.5
0110: External pin CP1P.6
0111: External pin CP1P.7
1000: Internal LDO output
1001-1111: Reserved.
132
Preliminary Rev 0.6