STM32F101C4U6AXXX 查看數據表（PDF） - STMicroelectronics

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STM32F101C4U6AXXX

Low-density access line, ARM-based 32-bit MCU with 16 or 32 KB Flash, 5 timers, ADC and 4 communication interfaces

STMicroelectronics 

Electrical characteristics

STM32F101x4, STM32F101x6

Figure 21. Typical application with a 32.768 kHz crystal

5.3.7

Resonator with

integrated capacitors

CL1

OSC32_IN

32.768 KH z

resonator

RF

OSC32_OU T

CL2

Bias

controlled

gain

fLSE

STM32F10xxx

ai14129b

Internal clock source characteristics

The parameters given in Table 23 are derived from tests performed under the ambient

temperature and VDD supply voltage conditions summarized in Table 8.

High-speed internal (HSI) RC oscillator

Table 23. HSI oscillator characteristics(1)

Symbol

Parameter

Conditions

Min Typ Max Unit

fHSI

Frequency

DuCy(HSI) Duty cycle

8

MHz

45

55 %

User-trimmed with the RCC_CR

register(2)

1(3)

%

ACCHSI

tsu(HSI)(4)

Accuracy of the HSI

oscillator

Factory-

calibrated(4)

HSI oscillator

startup time

TA = –40 to 105 °C

TA = –10 to 85 °C

TA = 0 to 70 °C

TA = 25 °C

–2

–1.5

–1.3

–1.1

1

2.5 %

2.2 %

2

%

1.8 %

2 µs

IDD(HSI)(4)

HSI oscillator power

consumption

80 100 µA

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

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

the ST website www.st.com.

3. Guaranteed by design, not tested in production.

4. Based on characterization, not tested in production.

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Doc ID 15058 Rev 5

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