C8051F331 Silicon Laboratories Inc, C8051F331 Datasheet - Page 62
C8051F331
Manufacturer Part Number
C8051F331
Description
IC 8051 MCU 8K FLASH 20MLP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Datasheet
1.C8051F330R.pdf
(208 pages)
Specifications of C8051F331
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, 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
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F331
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F331-GM
Manufacturer:
SiliconL
Quantity:
1 630
Part Number:
C8051F331-GM
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Part Number:
C8051F331-GMR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F330/1, C8051F330D
62
Bits7-4:
Bits3-0:
CMX0N3 CMX0N2 CMX0N1 CMX0N0 CMX0P3 CMX0P2 CMX0P1 CMX0P0
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
CMX0P3 CMX0P2 CMX0P1 CMX0P0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
R/W
Bit6
Figure 8.4. CPT0MX: Comparator0 MUX Selection Register
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. 1.2
x
x
R/W
Bit3
Negative Input
Positive Input
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
R/W
Bit0
SFR Address:
Reset Value
11111111
0x9F
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