C8051F340 Datasheet, PDF (63/282 Pages) List of Unclassifed Manufacturers – Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7
SFR Definition 7.2. CPT0MX: Comparator0 MUX Selection
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
-
CMX0N2 CMX0N1 CMX0N0
-
CMX0P2 CMX0P1 CMX0P0 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
0x9F
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
0
1
0
1
0
0
1
1
1
0
0
Negative Input
(32-pin Package)
P1.1
P1.5
P2.1
P2.5
P0.1
Negative Input
(48-pin Package)
P2.1
P2.6
P3.5
P4.4
P0.4
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
0
1
0
1
0
0
1
1
1
0
0
Positive Input
(32-pin Package)
P1.0
P1.4
P2.0
P2.4
P0.0
Positive Input
(48-pin Package)
P2.0
P2.5
P3.4
P4.3
P0.3
Note that the port pins used by the comparator depend on the package type (32-pin or 48-pin).
Rev. 0.5
63