EFR32BG1V132F256 Datasheet, PDF (38/94 Pages) Silicon Laboratories – ConfidentialEFR32BG1 Blue Gecko Bluetooth® Smart SoC CSP Family

4.1.10.4 HFRCO and AUXHFRCO
EFR32BG1 Blue Gecko Bluetooth® Smart SoC CSP Family Data Sheet
Electrical Specifications
Confidential ^{Table4.21. HFRCOandAUXHFRCO}
Parameter
Symbol
Test Condition
Min
Typ
Max
Frequency Accuracy
f_{HFRCO_ACC}
Any frequency band, across sup-
-10
—
3
ply 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
—
204
228
—
171
190
f_HFRCO = 26 MHz
—
147
164
f_HFRCO = 19 MHz
—
126
138
f_HFRCO = 16 MHz
—
110
120
f_HFRCO = 13 MHz
—
100
110
f_HFRCO = 7 MHz
—
81
91
f_HFRCO = 4 MHz
—
33
35
f_HFRCO = 2 MHz
—
31
35
f_HFRCO = 1 MHz
—
30
35
Step size
SS_HFRCO
Coarse (% of period)
Fine (% of period)
—
0.8
—
—
0.1
—
Period Jitter
PJ_HFRCO
—
0.2
—
4.1.10.5 ULFRCO
Table 4.22. ULFRCO
Parameter
Oscillation frequency
Symbol
f_ULFRCO
Test Condition
Min
Typ
Max
0.8
1
1.05
Unit
%
ns
μs
μs
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
%
%
% RMS
Unit
kHz
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