Datasheet

DocID029968 Rev 3 131/210
STM32L452xx Electrical characteristics
186
Multi-speed internal (MSI) RC oscillator
Table 60. MSI oscillator characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
MSI
MSI frequency
after factory
calibration, done
at V
DD
=3 V and
T
A
=30 °C
MSI mode
Range 0 98.7 100 101.3
kHz
Range 1 197.4 200 202.6
Range 2 394.8 400 405.2
Range 3 789.6 800 810.4
Range 4 0.987 1 1.013
MHz
Range 5 1.974 2 2.026
Range 6 3.948 4 4.052
Range 7 7.896 8 8.104
Range 8 15.79 16 16.21
Range 9 23.69 24 24.31
Range 10 31.58 32 32.42
Range 11 47.38 48 48.62
PLL mode
XTAL=
32.768 kHz
Range 0 - 98.304 -
kHz
Range 1 - 196.608 -
Range 2 - 393.216 -
Range 3 - 786.432 -
Range 4 - 1.016 -
MHz
Range 5 - 1.999 -
Range 6 - 3.998 -
Range 7 - 7.995 -
Range 8 - 15.991 -
Range 9 - 23.986 -
Range 10 - 32.014 -
Range 11 - 48.005 -

TEMP
(MSI)
(2)
MSI oscillator
frequency drift
over temperature
MSI mode
T
A
= -0 to 85 °C -3.5 - 3
%
T
A
= -40 to 125 °C -8 - 6
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