EFR32BG12P232F Datasheet, PDF (77/181 Pages) Silicon Laboratories – EFR32BG12 Blue Gecko Bluetooth ®Low Energy SoC Family Data Sheet

4.1.12.4 High-Frequency RC Oscillator (HFRCO)
EFR32BG12 Blue Gecko Bluetooth ^®Low Energy SoC Family Data Sheet
Electrical Specifications
Table 4.36. High-Frequency RC Oscillator (HFRCO)
Parameter
Symbol
Test Condition
Min
Typ
Frequency accuracy
f_{HFRCO_ACC}
At production calibrated frequen-
-2.5
—
cies, across supply voltage and
temperature
Start-up time
t_HFRCO
f_HFRCO ≥ 19 MHz
—
300
4 < f_HFRCO < 19 MHz
—
1
f_HFRCO ≤ 4 MHz
—
2.5
Current consumption on all I_HFRCO
supplies
f_HFRCO = 38 MHz
f_HFRCO = 32 MHz
—
244
—
204
f_HFRCO = 26 MHz
—
173
f_HFRCO = 19 MHz
—
143
f_HFRCO = 16 MHz
—
123
f_HFRCO = 13 MHz
—
110
f_HFRCO = 7 MHz
—
85
f_HFRCO = 4 MHz
—
32
f_HFRCO = 2 MHz
—
28
f_HFRCO = 1 MHz
—
26
Coarse trim step size (% of
period)
SS_{HFRCO_COARS}
E
—
0.8
Fine trim step size (% of pe- SS_{HFRCO_FINE}
riod)
—
0.1
Period jitter
PJ_HFRCO
—
0.2
Max
Unit
2.5
%
—
ns
—
μs
—
μs
265
μA
222
μA
188
μA
156
μA
136
μA
124
μA
94
μA
37
μA
34
μA
31
μA
—
%
—
%
—
% RMS
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