C8051F34A-GMR Silicon Labs, C8051F34A-GMR Datasheet - Page 66

• 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

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
66
Bit7:
Bits6–4: CMX1N2–CMX1N0: Comparator1 Negative Input MUX Select.
Bit3:
Bits2–0: CMX1P1–CMX1P0: Comparator1 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 Comparator1 negative input.
UNUSED. Read = 0b, Write = don’t care.
These bits select which Port pin is used as the Comparator1 positive input.
CMX1N2 CMX1N1 CMX1N0
CMX1P2 CMX1P1 CMX1P0
CMX1N2 CMX1N1 CMX1N0
SFR Definition 7.5. CPT1MX: Comparator1 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
0
1
0
1
0
0
1
0
1
0
R/W
Bit4
(32-pin Package)
(32-pin Package)
Negative Input
Positive Input
Rev. 1.3
R/W
Bit3
-
P1.3
P1.7
P2.3
P2.7
P0.5
P1.2
P1.6
P2.2
P2.6
P0.4
CMX1P2 CMX1P1 CMX1P0 00000000
R/W
Bit2
(48-pin Package)
(48-pin Package)
Negative Input
Positive Input
R/W
Bit1
P2.3
P3.1
P4.0
P4.6
P1.2
P2.2
P3.0
P3.7
P4.5
P1.1
R/W
Bit0
SFR Address:
Reset Value
0x9E