C8051F34A-GMR Silicon Labs, C8051F34A-GMR Datasheet - Page 63

• Manufacturer Part Number: C8051F34A-GMR
• Description: 8-bit Microcontrollers - MCU 48 MIPS 64KB 10ADC
• Manufacturer: Silicon Labs

Specifications of C8051F34A-GMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

Bit7:
Bits6–4: CMX0N2–CMX0N0: Comparator0 Negative Input MUX Select.
Bit3:
Bits2–0: CMX0P2–CMX0P0: Comparator0 Positive Input MUX Select.
Note that the port pins used by the comparator depend on the package type (32-pin or 48-pin).
R/W
Bit7
-
UNUSED. Read = 0b, Write = don’t care.
These bits select which Port pin is used as the Comparator0 negative input.
UNUSED. Read = 0b, Write = don’t care.
These bits select which Port pin is used as the Comparator0 positive input.
CMX0N1 CMX0N1 CMX0N0
CMX0P1 CMX0P1 CMX0P0
CMX0N2 CMX0N1 CMX0N0
SFR Definition 7.2. CPT0MX: Comparator0 MUX Selection
0
0
0
0
1
0
0
0
0
1
R/W
Bit6
0
0
1
1
0
0
0
1
1
0
R/W
Bit5
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
0
1
0
1
0
0
1
0
1
0
R/W
Bit4
(32-pin Package)
(32-pin Package)
Negative Input
Rev. 1.3
Positive Input
R/W
Bit3
-
P1.1
P1.5
P2.1
P2.5
P0.1
P1.0
P1.4
P2.0
P2.4
P0.0
CMX0P2 CMX0P1 CMX0P0 00000000
R/W
Bit2
(48-pin Package)
(48-pin Package)
Negative Input
Positive Input
R/W
Bit1
P2.1
P2.6
P3.5
P4.4
P0.4
P2.0
P2.5
P3.4
P4.3
P0.3
R/W
Bit0
SFR Address:
Reset Value
0x9F
63