STM32H750VB datasheet(122/335 Pages) STMICROELECTRONICS

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Electrical characteristics (rev Y)

STM32H750VB STM32H750ZB STM32H750IB STM32H750XB

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DS12556 Rev 5

Low-speed internal (LSI) RC oscillator

6.3.10

PLL characteristics

The parameters given in Table 48 are derived from tests performed under temperature and

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

ΔTEMP (CSI)

CSI oscillator frequency drift over

temperature

TJ = 0 to 85 °C

−3.7(3)

4.5(3)

TJ = −40 to 125 °C

−11(3)

7.5(3)

DVDD (CSI)

CSI oscillator frequency drift over

VDD

VDD = 1.62 to 3.6 V

−

0.06

tsu(CSI)

CSI oscillator startup time

µs

tstab(CSI)

CSI oscillator stabilization time

(to reach ±3% of fCSI)

cycle

IDD(CSI)

CSI oscillator power consumption

µA

1. Guaranteed by design.

2. Guaranteed by test in production.

3. Guaranteed by characterization.

Table 46. CSI oscillator characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 47. LSI oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fLSI(1)

1. Guaranteed by characterization results.

LSI frequency

VDD = 3.3 V, TJ = 25 °C

31.4

32.6

kHz

TJ = –40 to 105 °C, VDD =

1.62 to 3.6 V

29.76

33.60

tsu(LSI)(2)

2. Guaranteed by design.

LSI oscillator startup time

130

µs

tstab(LSI)(2)

LSI oscillator stabilization

time (5% of final value)

120

170

IDD(LSI)(2)

LSI oscillator power

consumption

130

280

Table 48. PLL characteristics (wide VCO frequency range)(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLL_IN

PLL input clock

MHz

PLL input clock duty cycle

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