STM32L4P5CE datasheet(140/311 Pages) STMICROELECTRONICS

140 / 311 page

Electrical characteristics

STM32L4P5xx

140/311

DS12903 Rev 2

6.3.2

Operating conditions at power-up / power-down

The parameters given in Table 22 are derived from tests performed under the ambient

temperature condition summarized in Table 21.

6.3.3

Embedded reset and power control block characteristics

The parameters given in Table 23 are derived from tests performed under the ambient

temperature conditions summarized in Table 21: General operating conditions.

Table 22. Operating conditions at power-up / power-down(1)

1. At power-up, the VDD12 voltage should not be forced externally.

Symbol

Parameter

Conditions

Min

Max

Unit

tVDD

VDD rise time rate

∞

µs/V

VDD fall time rate

ENULP=0

∞

ENULP=1

100

∞

ms/V

tVDDA

VDDA rise time rate

∞

µs/V

VDDA fall time rate

∞

tVDDUSB

VDDUSB rise time rate

∞

µs/V

VDDUSB fall time rate

∞

tVDDIO2

VDDIO2 rise time rate

∞

µs/V

VDDIO2 fall time rate

∞

Table 23. Embedded reset and power control block characteristics

Symbol

Parameter

Conditions(1)

Min

Typ

Max

Unit

tRSTTEMPO(2)

Reset temporization after

BOR0 is detected

VDD rising

250

400

μs

VBOR0(2)

Brown-out reset threshold 0

Rising edge

1.62

1.66

1.7

Falling edge

1.6

1.64

1.69

VBOR1

Brown-out reset threshold 1

Rising edge

2.06

2.1

2.14

Falling edge

1.96

2.04

VBOR2

Brown-out reset threshold 2

Rising edge

2.26

2.31

2.35

Falling edge

2.16

2.20

2.24

VBOR3

Brown-out reset threshold 3

Rising edge

2.56

2.61

2.66

Falling edge

2.47

2.52

2.57

VBOR4

Brown-out reset threshold 4

Rising edge

2.85

2.90

2.95

Falling edge

2.76

2.81

2.86

VPVD0

Programmable voltage

detector threshold 0

Rising edge

2.1

2.15

2.19

Falling edge

2.05

2.1

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