STM32H7 datasheet(212/357 Pages) STMICROELECTRONICS

212 / 357 page

Electrical characteristics (rev V)

STM32H742xI/G STM32H743xI/G

212/357

DS12110 Rev 10

7.3

Operating conditions

7.3.1

General operating conditions

Table 122. General operating conditions

Symbol

Parameter

Operating

conditions

Min

Typ

Max

Unit

VDD

Standard operating voltage

1.62(1)

3.6

VDDLDO

Supply voltage for the internal

regulator

VDDLDO ≤ VDD

1.62(1)

-3.6

VDD33USB

Standard operating voltage, USB

domain

USB used

3.0

3.6

USB not used

3.6

VDDA

Analog operating voltage

ADC or COMP used

1.62

3.6

DAC used

1.8

OPAMP used

2.0

VREFBUF used

1.8

ADC, DAC, OPAMP,

COMP, VREFBUF not

used

VIN

I/O Input voltage

TT_xx I/O

−0.3

VDD+0.3

BOOT0

All I/O except BOOT0

and TT_xx

−0.3

Min(VDD, VDDA,

VDD33USB)

+3.6V <

5.5V(2)(3)

VCORE

Internal regulator ON (LDO)

VOS3 (max frequency

200 MHz)

0.95

1.0

1.05

VOS2 (max frequency

300 MHz)

1.05

1.10

1.15

VOS1 (max frequency

400 MHz)

1.15

1.20

1.26

VOS0(4) (max

frequency 480 MHz(5))

1.26

1.35

1.40

Regulator OFF: external VCORE

voltage must be supplied from external

regulator on two VCAP pins

VOS3 (max frequency

200 MHz)

0.98

1.03

1.08

VOS2 (max frequency

300 MHz)

1.08

1.13

1.17

VOS1 (max frequency

400 MHz)

1.17

1.23

1.37

VOS0 (max frequency

480 MHz(5))

1.37

1.38

1.40

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