STM32F098CC datasheet(72/128 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F098CC STM32F098RC STM32F098VC

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DocID026967 Rev 4

High-speed internal 14 MHz (HSI14) RC oscillator (dedicated to ADC)

Figure 20. HSI14 oscillator accuracy characterization results

Table 39. HSI14 oscillator characteristics(1)

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

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSI14

Frequency

MHz

TRIM

HSI14 user-trimming step

1(2)

2. Guaranteed by design, not tested in production.

DuCy(HSI14) Duty cycle

45(2)

-55(2)

ACCHSI14

Accuracy of the HSI14

oscillator (factory calibrated)

TA = –40 to 105 °C –4.2(3)

3. Data based on characterization results, not tested in production.

-5.1(3)

TA = –10 to 85 °C

–3.2(3)

-3.1(3)

TA = 0 to 70 °C

–2.5(3)

-2.3(3)

TA = 25 °C

–1

tsu(HSI14)

HSI14 oscillator startup time

1(2)

-2(2)

µs

IDDA(HSI14)

HSI14 oscillator power

consumption

100

150(2)

µA

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