STM32F412RG datasheet(106/193 Pages) STMICROELECTRONICS

Part #	STM32F412RG

Description	ARM-Cortex-M4 32b MCUFPU, 125 DMIPS, 1MB Flash, 256KB RAM, USB OTG FS, 17 TIMs, 1 ADC, 17 comm. interfaces

PDF	193 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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Electrical characteristics

STM32F412xE/G

106/193

DocID028087 Rev 4

6.3.9

Internal clock source characteristics

The parameters given in Table 42 and Table 43 are derived from tests performed under

ambient temperature and VDD supply voltage conditions summarized in Table 15.

High-speed internal (HSI) RC oscillator

Figure 31. ACCHSI versus temperature

1. Guaranteed by characterization, not tested in production.

Table 42. 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, not tested in production

Accuracy of the HSI oscillator

TA = –40 to 105 °C(3)

3. Based on characterization, not tested in production

–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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