EFM32WG395 Datasheet, PDF (28/82 Pages) List of Unclassifed Manufacturers – The EFM32 MCUs are the world’s most energy friendly microcontrollers.

3.9.3 LFRCO
Table 3.11. LFRCO
...the world's most energy friendly microcontrollers
Symbol
Parameter
Condition
f_LFRCO
t_LFRCO
Oscillation frequen-
cy , V_DD= 3.0 V,
T_AMB=25°C
Startup time not in-
cluding software
calibration
I_LFRCO
Current consump-
tion
TUNESTEP_L- Frequency step
FRCO
for LSB change in
TUNING value
Min
Typ
Max
Unit
31.29
32.768
34.28 kHz
150
µs
300
nA
1.5
%
Figure 3.17. Calibrated LFRCO Frequency vs Temperature and Supply Voltage
42
40
38
- 40°C
36
25°C
85°C
34
32
30
2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6 3.8
Vdd [V]
42
40
38
36
34
32
30
–4 0
2.0 V
3.0 V
3.8 V
–1 5
5
25
45
65
85
Tem perature [°C]
2014-06-13 - EFM32WG395FXX - d0194_Rev1.40
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