C8051F987-GMR Silicon Labs, C8051F987-GMR Datasheet - Page 97

• Manufacturer Part Number: C8051F987-GMR
• Description: 8-bit Microcontrollers - MCU 8kB 512B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F987-GMR

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

SFR Definition 7.3. CPT0MX: Comparator0 Input Channel Select
SFR Page = 0x0; SFR Address = 0x9F
Name
Reset
Bit
7:4
3:0
Type
Bit
CMX0N
CMX0P
Name
R/W
7
0
Comparator0 Negative Input Selection.
Selects the negative input channel for Comparator0.
0000:
0001:
0010:
0011:
0100:
0101:
0110:
0111:
Comparator0 Positive Input Selection.
Selects the positive input channel for Comparator0.
0000:
0001:
0010:
0011:
0100:
0101:
0110:
0111:
R/W
6
1
CMX0N[3:0]
Reserved
Reserved
Reserved
Reserved
P1.1
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
P1.0
Reserved
Reserved
Reserved
R/W
5
0
R/W
Rev. 1.1
4
0
C8051F99x-C8051F98x
Function
R/W
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
3
0
R/W
Reserved
Reserved
Reserved
Reserved
Capacitive Touch Sense 
Compare
VDD divided by 2
Digital Supply Voltage
Ground
Reserved
Reserved
Reserved
Reserved
Capacitive Touch Sense 
Compare
VDD divided by 2
VDD Supply Voltage
VDD Supply Voltage
2
1
CMX0P[3:0]
R/W
1
0
R/W
0
0
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