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EFM8UB1 Datasheet, PDF (18/59 Pages) Silicon Laboratories – The EFM8UB1 highlighted features are listed below | |||
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4.1.6 Internal Oscillators
Table 4.6. Internal Oscillators
Parameter
Symbol Test Condition
High Frequency Oscillator 0 (24.5 MHz)
Oscillator Frequency
fHFOSC0
Full Temperature and Supply
Range
Power Supply Sensitivity
PSSHFOS TA = 25 °C
C0
Temperature Sensitivity
TSHFOSC0 VDD = 3.0 V
High Frequency Oscillator 1 (48 MHz)
Oscillator Frequency
fHFOSC1
Full Temperature and Supply
Range
Power Supply Sensitivity
PSSHFOS TA = 25 °C
C1
Temperature Sensitivity
TSHFOSC1 VDD = 3.0 V
Low Frequency Oscillator (80 kHz)
Oscillator Frequency
fLFOSC
Full Temperature and Supply
Range
Power Supply Sensitivity
PSSLFOSC TA = 25 °C
Temperature Sensitivity
TSLFOSC VDD = 3.0 V
Min
24
â
â
47.3
â
â
75
â
â
4.1.7 External Clock Input
Table 4.7. External Clock Input
Parameter
Symbol Test Condition
Min
External Input CMOS Clock
fCMOS
0
Frequency (at EXTCLK pin)
External Input CMOS Clock High tCMOSH
9
Time
External Input CMOS Clock Low tCMOSL
9
Time
EFM8UB1 Data Sheet
Electrical Specifications
Typ
Max
Unit
24.5
25
MHz
0.5
â
%/V
40
â
ppm/°C
48
48.7
MHz
0.02
â
%/V
45
â
ppm/°C
80
85
kHz
0.05
â
%/V
65
â
ppm/°C
Typ
Max
Unit
â
50
MHz
â
â
ns
â
â
ns
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