STM32G0 datasheet(85/135 Pages) STMICROELECTRONICS

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DS12232 Rev 4

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STM32G071x8/xB

Electrical characteristics

107

Figure 23. Recommended NRST pin protection

1. The reset network protects the device against parasitic resets.

2. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in

Table 54: NRST pin characteristics. Otherwise the reset will not be taken into account by the device.

3. The external capacitor on NRST must be placed as close as possible to the device.

5.3.16

Analog switch booster

5.3.17

Analog-to-digital converter characteristics

Unless otherwise specified, the parameters given in Table 56 are preliminary values derived

from tests performed under ambient temperature, fPCLK frequency and VDDA supply voltage

conditions summarized in Table 21: General operating conditions.

Note:

It is recommended to perform a calibration after each power-up.

MS19878V3

RPU

VDD

Internal reset

External

reset circuit

(1)

NRST

(2)

Filter

0.1 μF

Table 55. Analog switch booster characteristics(1)

1. Guaranteed by design.

Symbol

Parameter

Min

Typ

Max

Unit

VDD

Supply voltage

1.62 V

3.6

tSU(BOOST)

Booster startup time

240

µs

IDD(BOOST)

Booster consumption for

1.62 V ≤ VDD ≤ 2.0 V

250

µA

Booster consumption for

2.0 V ≤ VDD ≤ 2.7 V

500

Booster consumption for

2.7 V ≤ VDD ≤ 3.6 V

900

Table 56. ADC characteristics(1)

Symbol

Parameter

Conditions(2)

Min

Typ

Max

Unit

VDDA

Analog supply voltage

1.62

3.6

VREF+

Positive reference

voltage

VDDA ≥ 2 V

VDDA

VDDA < 2 V

VDDA

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