CD00237391 datasheet(86/177 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F20xxx

86/177

Doc ID 15818 Rev 9

Low-speed internal (LSI) RC oscillator

Figure 33.

ACCLSI versus temperature

5.3.10

PLL characteristics

The parameters given in Table 32 and Table 33 are derived from tests performed under

temperature and VDD supply voltage conditions summarized in Table 12.

Table 31.

LSI oscillator characteristics (1)

VDD = 3 V, TA = –40 to 105 °C unless otherwise specified.

Symbol

Parameter

Min

Typ

Max

Unit

fLSI

(2)

Based on characterization, not tested in production.

Frequency

kHz

tsu(LSI)

(3)

Guaranteed by design, not tested in production.

LSI oscillator startup time

µs

IDD(LSI)

(3)

LSI oscillator power consumption

0.4

0.6

µA

MS19013V1

-40

-30

-20

-10

-45

-35

-25

-15

-5

152535455565758595

105

Temperat ure (°C)

max

avg

min

Table 32.

Main PLL characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock(1)

0.95

(2)

12.10(2)

MHz

fPLL_OUT

PLL multiplier output clock

120

MHz

fPLL48_OUT

48 MHz PLL multiplier output

clock

MHz

fVCO_OUT

PLL VCO output

192

432

MHz

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