STM32H7B3II datasheet(83/238 Pages) STMICROELECTRONICS

tên linh kiện	STM32H7B3II

Giải thích chi tiết về linh kiện	32-bit Arm® Cortex®-M7 280 MHz MCUs, 2-Mbyte flash memory, 1.4-Mbyte RAM, 46 com. and analog interfaces, SMPS, crypto

PDF	238 Pages

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6.3

Operating conditions

6.3.1

General operating conditions

Table 22. 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

1.2(2)

3.6

VDDSMPS

Supply voltage for the internal SMPS Step-down

converter

VDDSMPS = VDD

1.62(1)

3.6

VDDMMC

Standard operating voltage for independent MMC

I/Os

Indenpent MMC I/Os

used

1.62(1)

3.6

Independent MMC I/Os

not used VDDMMC =

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

VBAT

Backup operating voltage

1.2

3.6

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,

VDDMMC)

+3.6 V <

5.5 V(3)

VCORE

Internal regulator ON (LDO or SMPS)(4)

VOS3 (max frequency

88 MHz)

0.95

1.0

1.05

VOS2 (max frequency

160 MHz)

1.05

1.10

1.15

VOS1 (max frequency

225 MHz)

1.15

1.20

1.25

VOS0 (max frequency

280 MHz)

1.25

1.30

1.35

Regulator OFF: external VCORE voltage must be

supplied from external regulator on VCAP pins

VOS3 (max frquency

88 MHz)

0.97

1.0

1.05

VOS2 (max frequency

160 MHz)

1.07

1.10

1.15

VOS1 (max frequency

225 MHz)

1.17

1.20

1.25

STM32H7B3xI

Operating conditions

DS13139 - Rev 8

page 83/238

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