C8051F902-GU Silicon Laboratories Inc, C8051F902-GU Datasheet - Page 96

• Manufacturer Part Number: C8051F902-GU
• Description: IC MCU 8BIT 8KB FLASH 24QSOP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F9xxr

Specifications of C8051F902-GU

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 24-QSOP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 3.6 V
• Data Converters: A/D 15x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F9x
• Core: 8051
• Data Ram Size: 768 B
• Interface Type: UART
• Maximum Clock Frequency: 25 MHz
• Number Of Timers: 4
• Operating Supply Voltage: 0.9 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F912DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit
• Package: 24QSOP
• Device Core: 8051
• Family Name: C8051F90x
• Maximum Speed: 25 MHz
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1849-5

C8051F91x-C8051F90x
SFR Definition 7.5. CPT0MX: Comparator0 Input Channel Select
SFR Page = 0x0; SFR Address = 0x9F
96
Name
Reset
Bit
7:4
3:0
Type
Bit
CMX0N
CMX0P
Name
R/W
7
1
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]
P0.1
P0.3
P0.5
P0.7
P1.1
P1.3
P1.5
Reserved
P0.0
P0.2
P0.4
P0.6
P1.0
P1.2
P1.4
P1.6
R/W
5
1
R/W
Rev. 1.0
4
1
Function
R/W
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
1000:
1001:
1010:
1011:
1100:
1101:
1110:
1111:
3
1
R/W
Reserved
Reserved
Reserved
Reserved
Capacitive Touch Sense 
Compare
VDD/DC+ divided by 2
Digital Supply Voltage
Ground
Reserved
Reserved
Reserved
Reserved
Capacitive Touch Sense 
Compare
VDD/DC+ divided by 2
VBAT Supply Voltage
VDD/DC+ Supply Voltage
2
1
CMX0P[3:0]
R/W
1
1
R/W
0
1