C8051F351 Silicon Laboratories Inc, C8051F351 Datasheet - Page 78

• Manufacturer Part Number: C8051F351
• Description: IC 8051 MCU 8K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F35xr

Specifications of C8051F351

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: POR, PWM, Temp Sensor, WDT
• Number Of I /o: 17
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x24b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F350/1/2/3
78
Bits7-4:
Bits3-0:
CMX0N3 CMX0N2 CMX0N1 CMX0N0 CMX0P3 CMX0P2 CMX0P1
R/W
Bit7
CMX0N2-CMX0N0: Comparator0 Negative Input MUX Select.
These bits select which Port pin is used as the Comparator0 negative input.
CMX0P2-CMX0P0: Comparator0 Positive Input MUX Select.
These bits select which Port pin is used as the Comparator0 positive input.
CMX0N3 CMX0N2 CMX0N1 CMX0N0 Negative Input
CMX0P3 CMX0P2 CMX0P1 CMX0P0 Positive Input
Figure 9.6. CPT0MX: Comparator0 MUX Selection Register
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
R/W
Bit6
0
0
0
0
1
1
1
1
x
0
0
0
0
1
1
1
1
x
R/W
Bit5
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
x
x
R/W
Bit4
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Rev. 0.4
x
x
R/W
Bit3
None
None
P0.1
P0.3
P0.5
P0.7
P1.1
P1.3
P1.5
P1.7
P0.0
P0.2
P0.4
P0.6
P1.0
P1.2
P1.4
P1.6
R/W
Bit2
R/W
Bit1
SFR Address:
CMX0P0
R/W
Bit0
0x9F
Reset Value
11111111