STM32F031K6T7(2015) 查看數據表（PDF） - STMicroelectronics

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STM32F031K6T7
(Rev.:2015)

ARM®-based 32-bit MCU with up to 32 Kbyte Flash, 9 timers, ADC and communication interfaces, 2.0 - 3.6 V

STMicroelectronics 

Electrical characteristics

STM32F031x4 STM32F031x6

Figure 23. Recommended NRST pin protection

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069

1. The external capacitor protects the device against parasitic resets.

2.

The user must ensure that the level

Table 49: NRST pin characteristics.

on the NRST pin can go below

Otherwise the reset will not be

ttahkeeVnILin(NtoRSaTc)cmouanxt

level specified

by the device.

in

6.3.16

Note:

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 50 are derived from tests

performed under the conditions summarized in Table 18: General operating conditions.

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

Table 50. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

IDDA (ADC)

fADC

fS(2)

fTRIG(2)

VAIN

RAIN(2)

RADC(2)

CADC(2)

tCAL(2)(3)

Analog supply voltage for

ADC ON

Current consumption of

the ADC(1)

ADC clock frequency

Sampling rate

External trigger frequency

Conversion voltage range

External input impedance

Sampling switch

resistance

Internal sample and hold

capacitor

Calibration time

-

VDDA = 3.3 V

-

12-bit resolution

fADC = 14 MHz,

12-bit resolution

12-bit resolution

-

See Equation 1 and

Table 51 for details

-

-

fADC = 14 MHz

-

2.4

-

3.6

V

-

0.9

-

mA

0.6

-

0.043

-

14

MHz

1

MHz

-

-

823

kHz

-

-

17

1/fADC

0

-

VDDA

V

-

-

50

kΩ

-

-

1

kΩ

-

-

8

pF

5.9

µs

83

1/fADC

70/106

DocID025743 Rev 4

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