STM32F091VCY6TR 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F091VCY6TR

ARM®-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC, and comm. interfaces, 2.0 - 3.6V

STMicroelectronics 

STM32F091xB STM32F091xC

Electrical characteristics

Table 56. NRST pin characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Vhys(NRST)

NRST Schmitt trigger voltage

hysteresis

-

-

200

-

mV

RPU

Weak pull-up equivalent

resistor(2)

VIN = VSS

25

40

55

kΩ

VF(NRST)

VNF(NRST)

NRST input filtered pulse

NRST input not filtered pulse

-

2.7 < VDD < 3.6

2.0 < VDD < 3.6

-

300(3)

500(3)

-

100(1)

ns

-

-

ns

-

-

1. Data based on design simulation only. Not tested in production.

2. The pull-up is designed with a true resistance in series with a switchable PMOS. This PMOS contribution to the series

resistance is minimal (~10% order).

3. Data based on design simulation only. Not tested in production.

Figure 25. Recommended NRST pin protection

([WHUQDO

UHVHWFLUFXLW

1567

—)

9''

538

)LOWHU

,QWHUQDOUHVHW

069

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

2.

The user must ensure that the level

Table 56: 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 57 are derived from tests

performed under the conditions summarized in Table 24: General operating conditions.

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

Table 57. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

IDDA (ADC)

fADC

fS(2)

Analog supply voltage for

ADC ON

Current consumption of

the ADC(1)

ADC clock frequency

Sampling rate

-

VDDA = 3.3 V

-

12-bit resolution

2.4

-

3.6

V

-

0.9

-

mA

0.6

-

0.043

-

14

MHz

1

MHz

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