EFM32LG330 Datasheet, PDF (23/66 Pages) Silicon Laboratories – High Performance 32-bit processor up to 48 MHz memory Protection Unit

3.9.3 LFRCO
Table 3.11. LFRCO
Preliminary
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Symbol
Parameter
f_LFRCO
t_LFRCO
Oscillation frequency ,
V_DD= 3.0 V, T_AMB=25°C
Startup time not including
software calibration
I_LFRCO
Current consumption
TUNESTEP_L- Frequency step for LSB
FRCO
change in TUNING value
Condition
Min
Typ
Max
Unit
32.768
kHz
150
µs
190
nA
1.5
%
Figure 3.7. Calibrated LFRCO Frequency vs Temperature and Supply Voltage
42
-4 0 ° C
25°C
40
85°C
38
36
34
32
30
1.8
2.2
2.6
3.0
3.4
3.8
Vdd [V]
42
40
38
36
34
32
30
–4 0
1.8 V
3V
3.8 V
–1 5
5
25
45
65
85
Tem perat ure [ ° C]
2013-06-28 - EFM32LG330FXX - d0110_Rev1.10
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