Datasheet

Electrical characteristics STM32L052x6 STM32L052x8
80/143 DocID025936 Rev 8
6.3.8 PLL characteristics
The parameters given in Table 50 are derived from tests performed under ambient
temperature and V
DD
supply voltage conditions summarized in Table 25.
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.
Table 49. MSI oscillator characteristics (continued)
Symbol Parameter Condition Typ Max Unit
Table 50. PLL characteristics
Symbol Parameter
Value
Unit
Min Typ Max
(1)
1. Guaranteed by characterization results.
f
PLL_IN
PLL input clock
(2)
2. Take care of using the appropriate multiplier factors so as to have PLL input clock values compatible with
the range defined by f
PLL_OUT
.
2- 24MHz
PLL input clock duty cycle 45 - 55 %
f
PLL_OUT
PLL output clock 2 - 32 MHz
t
LOCK
PLL input = 16 MHz
PLL VCO = 96 MHz
- 115 160 µs
Jitter Cycle-to-cycle jitter - ±
600 ps
I
DDA
(PLL) Current consumption on V
DDA
- 220 450
µA
I
DD
(PLL) Current consumption on V
DD
- 120 150
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