C8051F321-GMR Datasheet, PDF (61/250 Pages) Silicon Laboratories – Full Speed USB, 16 k ISP FLASH MCU Family

C8051F320/1
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
-
-
CMX0N1 CMX0N0
-
-
CMX0P1 CMX0P0 00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0 SFR Address:
0x9F
Bits7–6: UNUSED. Read = 00b, Write = don’t care.
Bits5–4: CMX0N1–CMX0N0: Comparator0 Negative Input MUX Select.
These bits select which Port pin is used as the Comparator0 negative input.
CMX0N1 CMX0N0
0
0
0
1
1
0
1
1
Negative Input
P1.1
P1.5
P2.1
P2.5*
Bits3–2: UNUSED. Read = 00b, Write = don’t care.
Bits1–0: CMX0P1–CMX0P0: Comparator0 Positive Input MUX Select.
These bits select which Port pin is used as the Comparator0 positive input.
CMX0P1 CMX0P0 Positive Input
0
0
P1.0
0
1
P1.4
1
0
1
1
P2.0
P2.4*
*Note: P2.4 and P2.5 available only on
C8051F320 devices; selection
reserved on C8051F321 devices.
Rev. 1.4
61