STM32WB55xx STM32WB35xx
Electrical characteristics
Figure 25. Typical current consumption vs. MSI frequency
High-speed internal 48 MHz (HSI48) RC oscillator
Table 61. HSI48 oscillator characteristics(1)
Symbol
Parameter
Conditions
Min
fHSI48
TRIM
HSI48 frequency
HSI48 user trimming step
VDD = 3.0 V, TA = 30 °C
-
USER TRIM
COVERAGE
HSI48 user trimming coverage
±32 steps
DuCy(HSI48) Duty cycle
-
Accuracy of the HSI48 oscillator
ACCHSI48_REL over temperatureï€
(factory calibrated)
VDD = 3.0 V to 3.6 V,ï€
TA = –15 to 85 °C
VDD = 1.65 V to 3.6 V,ï€
TA = –40 to 125 °C
DVDD(HSI48)
HSI48 oscillator frequency driftï€
with VDD
VDD = 3 V to 3.6 V
VDD = 1.65 V to 3.6 V
tsu(HSI48) HSI48 oscillator start-up time
-
IDD(HSI48) HSI48 oscillator power consumption
-
-
-
±3(3)
45(2)
-
-
-
-
-
-
Typ
48
0.11(2)
±3.5(3)
-
-
Max Unit
- MHz
0.18(2)
-
55(2)
±3(3) %
-
±4.5(3)
0.025(3) 0.05(3)
0.05(3) 0.1(3)
2.5(2)
6(2)
μs
340(2) 380(2) μA
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