STMicroelectronics STM32L151C6, Руководство пользователя

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STM32L151x6/8/B, STM32L152x6/8/B Electrical characteristics
103
6.3.8 PLL characteristics
The parameters given in Table 33 are derived from tests performed under ambient
temperature and V
DD
supply voltage conditions summarized in Table 13 .
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. Based on characterization, not tested in production.
Table 32. MSI oscillator characteristics (continued)
Symbol Parameter Condition Typ Max Unit
Table 33. PLL characteristics
Symbol Parameter
Value
Unit
Min Typ Max
(1)
1. Based on characterization, not tested in production.
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 - 24 MHz
PLL input clock duty cycle 45 - 55 %
f
PLL_OUT
PLL output clock 2 - 32 MHz
t
LOCK
Worst case PLL lock time
PLL input = 2 MHz
PLL VCO = 96 MHz
- 100 130 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