STM32L151X8 datasheet(77/133 Pages) STMICROELECTRONICS

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STM32L151x6/8/B STM32L152x6/8/B

Electrical characteristics

104

6.3.8

PLL characteristics

The parameters given in Table 33 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 13.

tSTAB(MSI)(2) MSI oscillator stabilization time

MSI range 0

µs

MSI range 1

MSI range 2

MSI range 3

MSI range 4

2.5

MSI range 5

MSI range 6,

Voltage range 1

and 2

-2

MSI range 3,

Voltage Range 3

-3

fOVER(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 32. MSI oscillator characteristics (continued)

Symbol

Parameter

Condition

Typ

Max Unit

Table 33. PLL characteristics

Symbol

Parameter

Value

Unit

Min

Typ

Max(1)

1. Guaranteed by characterization results.

fPLL_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 fPLL_OUT.

MHz

PLL input clock duty cycle

fPLL_OUT

PLL output clock

MHz

tLOCK

Worst case PLL lock time

PLL input = 2 MHz

PLL VCO = 96 MHz

100

130

µs

Jitter

Cycle-to-cycle jitter

± 600

IDDA(PLL)

Current consumption on VDDA

220

450

µA

IDD(PLL)

Current consumption on VDD

120

150

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