STM32U375CE datasheet(92/222 Pages) STMICROELECTRONICS

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Table 28. Operating conditions at power-up/power-down

Symbol

Parameter

Conditions

Min

Max

Unit

tVDD

VDD rise

‑time rate

∞

µs/V

VDD fall

‑time rate

ULPMEN = 0

∞

Standby mode, BOR level 0 selected with ULPMEN = 1

250

∞

ms/V

5.3.3

Embedded reset and power control block characteristics

The parameters given in the table below are derived from tests performed under the ambient temperature

conditions summarized in Table 27.

Table 29. Embedded reset and power control block characteristics

The values in this table are evaluated by characterization and not tested in production, unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tRSTTEMPO(1)

Reset temporization

after BOR0 released

VDD rising

900

µs

VBOR0

Brownout reset

threshold 0

Rising edge

1.63

1.65

1.67

Falling edge

Range 1

1.62

1.63

1.65

Range 2 and

low-power

modes

1.61

1.63

1.65

VBOR1

Brownout reset

threshold 1

Rising edge

2.07

2.09

2.11

Falling edge

2.00

2.02

2.04

VBOR2

Brownout reset

threshold 2

Rising edge

2.28

2.30

2.32

Falling edge

2.17

2.20

2.23

VBOR3

Brownout reset

threshold 3

Rising edge

2.57

2.60

2.63

Falling edge

2.48

2.51

2.54

VBOR4

Brownout reset

threshold 4

Rising edge

2.86

2.89

2.92

Falling edge

2.77

2.80

2.83

VPVD0

Programmable voltage

detector threshold 0

Rising edge

2.12

2.14

2.16

Falling edge

2.02

2.04

2.06

VPVD1

Programmable voltage

detector threshold 1

Rising edge

2.27

2.30

2.32

Falling edge

2.17

2.20

2.23

VPVD2

Programmable voltage

detector threshold 2

Rising edge

2.43

2.45

2.48

Falling edge

2.32

2.35

2.37

VPVD3

Programmable voltage

detector threshold 3

Rising edge

2.57

2.60

2.63

Falling edge

2.48

2.51

2.54

VPVD4

Programmable voltage

detector threshold 4

Rising edge

2.70

2.73

2.76

Falling edge

2.60

2.63

2.66

VPVD5

Programmable voltage

detector threshold 5

Rising edge

2.86

2.89

2.92

Falling edge

2.76

2.80

2.83

VPVD6

Programmable voltage

detector threshold 6

Rising edge

2.94

2.97

3.00

Falling edge

2.85

2.89

2.92

Vhyst_BOR0

Hysteresis voltage of

BOR0

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

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