STM32H7 datasheet(130/357 Pages) STMICROELECTRONICS

номер детали	STM32H7

подробное описание детали	32-bit Arm® Cortex®-M7 480MHz MCUs, up to 2MB flash, up to 1MB RAM, 46 com. and analog interfaces

PDF	357 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics (rev Y)

STM32H742xI/G STM32H743xI/G

130/357

DS12110 Rev 10

Low-speed internal (LSI) RC oscillator

6.3.10

PLL characteristics

The parameters given in Table 50 are derived from tests performed under temperature and

VDD supply voltage conditions summarized in Table 24: General operating conditions.

∆TEMP (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 48. CSI oscillator characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 49. 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 50. 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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