STM32H7 datasheet(236/357 Pages) STMICROELECTRONICS

部品番号	STM32H7

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

PDF	357 Pages

Scroll/Zoom	100%

メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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236 / 357 page

Electrical characteristics (rev V)

STM32H742xI/G STM32H743xI/G

236/357

DS12110 Rev 10

Low-speed internal (LSI) RC oscillator

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 145. CSI oscillator characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 146. LSI oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fLSI

LSI frequency

VDD = 3.3 V, TJ = 25 °C

31.4(1)

1. Guaranteed by test in production.

32.6(1)

kHz

TJ = –40 to 110 °C, VDD = 1.62 to

3.6 V

29.76(2)

2. Guaranteed by characterization results.

33.6(2)

TJ = –40 to 125 °C, VDD = 1.62 to

3.6 V

29.4

33.6

tsu(LSI)(3)

3. Guaranteed by design.

LSI oscillator

startup time

130

µs

tstab(LSI)(3)

LSI oscillator

stabilization

time (5% of

final value)

120

170

IDD(LSI)(3)

LSI oscillator

power

consumption

130

280

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