STM32F030X4 datasheet(41/88 Pages) STMICROELECTRONICS

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STM32F030x4 STM32F030x6 STM32F030x8

Electrical characteristics

6.3.2

Operating conditions at power-up / power-down

The parameters given in Table 19 are derived from tests performed under the ambient

temperature condition summarized in Table 18.

6.3.3

Embedded reset and power control block characteristics

The parameters given in Table 20 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 18: General operating

conditions.

6.3.4

Embedded reference voltage

The parameters given in Table 21 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 18: General operating

conditions.

Table 19. Operating conditions at power-up / power-down

Symbol

Parameter

Conditions

Min

Max

Unit

tVDD

VDD rise time rate



µs/V

VDD fall time rate



tVDDA

VDDA rise time rate



VDDA fall time rate



Table 20. Embedded reset and power control block characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VPOR/PDR

(1)

1. The PDR detector monitors VDD and also VDDA (if kept enabled in the option bytes). The POR

detector monitors only VDD.

Power on/power down

reset threshold

Falling edge

1.8(2)

2. The product behavior is guaranteed by design down to the minimum VPOR/PDR value.

1.88

2.06

Rising edge

1.84

1.92

2.10

VPDRhyst

(1)

PDR hysteresis

tRSTTEMPO

(3)

3. Guaranteed by design, not tested in production.

Reset temporization

1.5

2.5

4.5

Table 21. Embedded internal reference voltage

Symbol

Parameter

Conditions

Min Typ

Max

Unit

VREFINT

Internal reference voltage

–40 °C < TA < +85 °C

1.16

1.2

1.24(1)

TS_vrefint

(2)

ADC sampling time when

reading the internal

reference voltage

5.1

17.1(3)

µs

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