C8051F340 Datasheet, PDF (66/282 Pages) List of Unclassifed Manufacturers – Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7
SFR Definition 7.5. CPT1MX: Comparator1 MUX Selection
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
-
CMX1N2 CMX1N1 CMX1N0
-
CMX1P2 CMX1P1 CMX1P0 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
0x9E
Bit7: UNUSED. Read = 0b, Write = don’t care.
Bits6–4: CMX1N2–CMX1N0: Comparator1 Negative Input MUX Select.
These bits select which Port pin is used as the Comparator1 negative input.
CMX1N2 CMX1N1 CMX1N0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
Negative Input
(32-pin Package)
P1.3
P1.7
P2.3
P2.7
P0.5
Negative Input
(48-pin Package)
P2.3
P3.1
P4.0
P4.6
P1.2
Bit3: UNUSED. Read = 0b, Write = don’t care.
Bits2–0: CMX1P1–CMX1P0: Comparator1 Positive Input MUX Select.
These bits select which Port pin is used as the Comparator1 positive input.
CMX1P2 CMX1P1 CMX1P0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
Positive Input
(32-pin Package)
P1.2
P1.6
P2.2
P2.6
P0.4
Positive Input
(48-pin Package)
P2.2
P3.0
P3.7
P4.5
P1.1
Note that the port pins used by the comparator depend on the package type (32-pin or 48-pin).
66
Rev. 0.5