Datasheet

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STM32F20xxx Electrical characteristics
177
Figure 34. ACC
HSI
versus temperature
Low-speed internal (LSI) RC oscillator
2. Refer to application note AN2868 “STM32F10xxx internal RC oscillator (HSI) calibration” available from the
ST website www.st.com.
3. Guaranteed by design, not tested in production.
Table 33. LSI oscillator characteristics
(1)
1. V
DD
= 3 V, T
A
= –40 to 105 °C unless otherwise specified.
Symbol Parameter Min Typ Max Unit
f
LSI
(2)
2. Based on characterization, not tested in production.
Frequency 17 32 47 kHz
t
su(LSI)
(3)
3. Guaranteed by design, not tested in production.
LSI oscillator startup time - 15 40 µs
I
DD(LSI)
(3)
LSI oscillator power consumption - 0.4 0.6 µA
MS19012V2
-8
-6
-4
-2
0
2
4
6
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105 115 125
Normalized deviation (%)
Temperature (°C)
max
avg
min