STM32F205RB datasheet(79/163 Pages) STMICROELECTRONICS

Numer części	STM32F205RB

Szczegółowy opis	ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/1284KB RAM

PDF	163 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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79 / 163 page

STM32F205xx, STM32F207xx

Electrical characteristics

Doc ID 15818 Rev 7

79/163

5.3.9

Internal clock source characteristics

The parameters given in Table 27 and Table 28 are derived from tests performed under

ambient temperature and VDD supply voltage conditions summarized in Table 10.

High-speed internal (HSI) RC oscillator

Figure 32.

ACCHSI versus temperature

Table 27.

HSI oscillator characteristics (1)

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI

Frequency

MHz

ACCHSI

Accuracy of the HSI

oscillator

User-trimmed with the RCC_CR

Refer to application note AN2868 “STM32F10xxx internal RC oscillator (HSI) calibration” available from the

ST website www.st.com.

Factory-

calibrated

TA = –40 to 105 °C

–8

4.5

TA = –10 to 85 °C

–4

TA = 25 °C

–1

tsu(HSI)

(3)

Guaranteed by design, not tested in production.

HSI oscillator

startup time

-2.2

µs

IDD(HSI)

HSI oscillator

power consumption

-60

µA

-8

-6

-4

-2

-45

-35

-25

-15

-5

105 115 125

Temperature (°C)

max

avg

min

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