32F030F4P6 datasheet(67/93 Pages) STMICROELECTRONICS

67 / 93 page

DS9773 Rev 4

67/93

STM32F030x4/x6/x8/xC

Electrical characteristics

Figure 22. Recommended NRST pin protection

1. The external capacitor 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 49: NRST pin characteristics. Otherwise the reset will not be taken into account by the device.

6.3.16

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 50 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.

MS19878V4

RPU

VDD

Internal reset

External

reset circuit

(1)

NRST

(2)

Filter

0.1 μF

(3)

Table 50. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage for

ADC ON

2.4

3.6

IDDA (ADC)

Current consumption of

the ADC(1)

VDD = VDDA = 3.3 V

0.9

fADC

ADC clock frequency

0.6

MHz

fS(2)

Sampling rate

0.05

MHz

fTRIG(2)

External trigger

frequency

fADC = 14 MHz

823

kHz

1/fADC

VAIN

Conversion voltage range

VDDA

RAIN(2)

External input impedance

See Equation 1 and

Table 51 for details

RADC(2)

Sampling switch

resistance

CADC(2)

Internal sample and hold

capacitor

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