STM32F722IC datasheet(137/229 Pages) STMICROELECTRONICS

137 / 229 page

DS11853 Rev 6

137/229

STM32F722xx STM32F723xx

Electrical characteristics

201

Low-speed internal (LSI) RC oscillator

Figure 42. LSI deviation versus temperature

6.3.11

PLL characteristics

The parameters given in Table 44 and Table 45 are derived from tests performed under

temperature and VDD supply voltage conditions summarized in Table 16.

Table 43. LSI oscillator characteristics (1)

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

Symbol

Parameter

Min

Typ

Max

Unit

fLSI(2)

2. Guaranteed by characterization results.

Frequency

kHz

tsu(LSI)(3)

3. Guaranteed by design.

LSI oscillator startup time

µs

IDD(LSI)(3)

LSI oscillator power consumption

0.4

0.6

µA

MS37554V1

Temperature (°C)

-8.0%

-6.0%

-4.0%

-2.0%

0.0%

2.0%

4.0%

6.0%

8.0%

-40°C

0°C

25°C

85°C

105°C

125°C

Min

Max

Typical

Table 44. Main PLL characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock(1)

-0.95(2)

12.10

MHz

fPLL_OUT

PLL multiplier output clock

216

fPLL48_OUT

48 MHz PLL multiplier output

clock

fVCO_OUT

PLL VCO output

100

432

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