STM32F401CC datasheet(78/134 Pages) STMICROELECTRONICS

No de pièce	STM32F401CC

Description	Up to 81 I/O ports with interrupt capability

PDF	134 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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Electrical characteristics

STM32F401xB STM32F401xC

78/134

DocID024738 Rev 5

Figure 25. Typical application with a 32.768 kHz crystal

6.3.9

Internal clock source characteristics

The parameters given in Table 39 and Table 40 are derived from tests performed under

ambient temperature and VDD supply voltage conditions summarized in Table 14.

High-speed internal (HSI) RC oscillator

Table 39. HSI oscillator characteristics (1)

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI

Frequency

MHz

ACCHSI

HSI user trimming step(2)

2. Guaranteed by design.

Accuracy of the HSI oscillator

TA = –40 to 105 °C(3)

3. Guaranteed by characterization.

–8

4.5

TA = –10 to 85 °C(3)

–4

TA = 25 °C(4)

4. Factory calibrated, parts not soldered.

–1

tsu(HSI)(2) HSI oscillator startup time

2.2

µs

IDD(HSI)(2)

HSI oscillator power

consumption

µA

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