STM32F373C8 datasheet(75/128 Pages) STMICROELECTRONICS

tên linh kiện	STM32F373C8

Giải thích chi tiết về linh kiện	ARM Cortex-M4F 32b MCUFPU, up to 256KB Flash32KB SRAM timers

PDF	128 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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75 / 128 page

STM32F37x

Electrical characteristics

Doc ID 022691 Rev 3

75/128

Figure 15.

Typical application with a 32.768 kHz crystal

Note:

An external resistor is not required between OSC32_IN and OSC32_OUT and it is forbidden

to add one.

6.3.8

Internal clock source characteristics

The parameters given in Table 42 are derived from tests performed under ambient

temperature and supply voltage conditions summarized in Table 22.

The provided curves are chararacterization results, not tested in production.

High-speed internal (HSI) RC oscillator

Table 42.

HSI oscillator characteristics(1)

VDDA =3.3 V, TA = –40 to 105 °C unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI

Frequency

MHz

TRIM

HSI user trimming step

1(2)

Guaranteed by design, not tested in production.

DuCy(HSI)

Duty cycle

45(2)

55(2)

ACCHSI

Accuracy of the HSI

oscillator (factory

calibrated)

TA = –40 to 105 °C

–3.8(3)

Data based on characterization results, not tested in production.

4.6(3)

TA = –10 to 85 °C

–2.9(3)

2.9(3)

TA = 0 to 70 °C

TA = 25 °C

–1

tsu(HSI)

HSI oscillator startup

time

1(3)

2(3)

µs

IDD(HSI)

HSI oscillator power

consumption

100(3)

µA

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