STM32F401CEU6 datasheet(78/135 Pages) STMICROELECTRONICS

部件名	STM32F401CEU6

功能描述	ARM Cortex-M4 32b MCUFPU, 105 DMIPS, 256KB Flash/64KB RAM, 11 TIMs, 1 ADC, 11 comm. interfaces

PDF	135 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

78 / 135 page

DocID024738 Rev 6

78/135

STM32F401xB STM32F401xC

Electrical characteristics

113

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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