Sfr Definition 7.2. Cpt0Mx: Comparator0 Mux Selection - Silicon Laboratories C8051F341 Product Manual

SFR Definition 7.2. CPT0MX: Comparator0 MUX Selection

R/W R/W
- CMX0N2 CMX0N1 CMX0N0
Bit7 Bit6
Bit7: UNUSED. Read = 0b, Write = don't care.
Bits6–4: CMX0N2–CMX0N0: Comparator0 Negative Input MUX Select.
These bits select which Port pin is used as the Comparator0 negative input.
CMX0N1 CMX0N1 CMX0N0
0
0
0
0
1
Bit3: UNUSED. Read = 0b, Write = don't care.
Bits2–0: CMX0P2–CMX0P0: Comparator0 Positive Input MUX Select.
These bits select which Port pin is used as the Comparator0 positive input.
CMX0P1 CMX0P1 CMX0P0
0
0
0
0
1
Note that the port pins used by the comparator depend on the package type (32-pin or 48-pin).
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
R/W R/W R/W
-
Bit5 Bit4 Bit3
Negative Input
(32-pin Package)
0 0
0 1
1 0
1 1
0 0
Positive Input
(32-pin Package)
0 0
0 1
1 0
1 1
0 0
Rev. 1.3
R/W R/W
CMX0P2 CMX0P1 CMX0P0 00000000
Bit2 Bit1
Negative Input
(48-pin Package)
P1.1 P2.1
P1.5 P2.6
P2.1 P3.5
P2.5 P4.4
P0.1 P0.4
Positive Input
(48-pin Package)
P1.0 P2.0
P1.4 P2.5
P2.0 P3.4
P2.4 P4.3
P0.0 P0.3
R/W Reset Value
Bit0 SFR Address:
0x9F
63