Datasheet

DocID027973 Rev 5 69/119
STM32L011x3/4 Electrical characteristics
93
6.3.8 PLL characteristics
The parameters given in Table 41 are derived from tests performed under ambient
temperature and V
DD
supply voltage conditions summarized in Table 18.
t
SU(MSI)
MSI oscillator startup time
MSI range 0 30 -
µs
MSI range 1 20 -
MSI range 2 15 -
MSI range 3 10 -
MSI range 4 6 -
MSI range 5 5 -
MSI range 6,
Voltage range 1
and 2
3.5 -
MSI range 6,
Voltage range 3
5-
t
STAB(MSI)
(2)
MSI oscillator stabilization time
MSI range 0 - 40
µs
MSI range 1 - 20
MSI range 2 - 10
MSI range 3 - 4
MSI range 4 - 2.5
MSI range 5 - 2
MSI range 6,
Voltage range 1
and 2
-2
MSI range 3,
Voltage range 3
-3
f
OVER(MSI)
MSI oscillator frequency overshoot
Any range to
range 5
-4
MHz
Any range to
range 6
-6
1. This is a deviation for an individual part, once the initial frequency has been measured.
2. Guaranteed by characterization results, not tested in production.
Table 40. MSI oscillator characteristics (continued)
Symbol Parameter Condition Typ Max Unit
Table 41. PLL characteristics
Symbol Parameter
Value
Unit
Min Typ Max
(1)
f
PLL_IN
PLL input clock
(2)
2- 24MHz
PLL input clock duty cycle 45 - 55 %
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