STM32L4S5AI datasheet(169/275 Pages) STMICROELECTRONICS

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STM32L4S5xx, STM32L4S7xx and STM32L4S9xx

Electrical characteristics

250

6.3.9

PLL characteristics

The parameters given in Table 55 are derived from tests performed under temperature and

VDD supply voltage conditions summarized in Table 22: General operating conditions.

6.3.10

MIPI D-PHY characteristics

The parameters given in Table 56 and Table 57 are derived from tests performed under

temperature and VDD supply voltage conditions summarized in Table 22.

Table 55. PLL, PLLSAI1, PLLSAI2 characteristics(1)

1. Guaranteed by design.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock(2)

2. Take care of using the appropriate division factor M to obtain the specified PLL input clock values. The M

factor is shared between the 3 PLLs.

-2.66

MHz

PLL input clock duty cycle

fPLL_P_OUT PLL multiplier output clock P

Voltage scaling Range 1

Normal mode

2.0645

MHz

Voltage scaling Range 1

Boost mode

2.0645

120

Voltage scaling Range 2

2.0645

fPLL_Q_OUT PLL multiplier output clock Q

Voltage scaling Range 1

Normal mode

Voltage scaling Range 1

Boost mode

120

Voltage scaling Range 2

fPLL_R_OUT PLL multiplier output clock R

Voltage scaling Range 1

Normal mode

Voltage scaling Range 1

Boost mode

120

Voltage scaling Range 2

fVCO_OUT PLL VCO output

Voltage scaling Range 1

344

Voltage scaling Range 2

128

tLOCK

PLL lock time

μs

Jitter

RMS cycle-to-cycle jitter

System clock 80 MHz

-40

±ps

RMS period jitter

IDD(PLL)

PLL power consumption on

VDD(1)

VCO freq = 64 MHz

150

200

μA

VCO freq = 96 MHz

200

260

VCO freq = 192 MHz

300

380

VCO freq = 344 MHz

520

650

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