EFM32G Data Sheet
Electrical Characteristics
4.9.3 LFRCO
Parameter
Table 4.10. LFRCO
Test Condition
Symbol
Min
Typ
Max
Unit
Oscillation frequency, VDD= 3.0 fLFRCO
V, TAMB=25°C
31.29
32.768
34.24
kHz
Startup time not including soft- tLFRCO
ware calibration
—
150
—
µs
Current consumption
ILFRCO
—
—
—
—
190
±0.02
±15
—
—
—
—
nA
%/°C
%/V
%
Temperature coefficient
Supply voltage coefficient
TCLFRCO
VCLFRCO
Frequency step for LSB change TUNESTEPLFRCO
in TUNING value
1.5
Figure 4.20. Calibrated LFRCO Frequency vs Temperature and Supply Voltage
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