STM32F103X8 Просмотр технического описания (PDF) - STMicroelectronics

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STM32F103X8

Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces

STMicroelectronics 

STM32F103xx

Electrical characteristics

5.3.7

Internal clock source characteristics

The parameters given in Table 19 are derived from tests performed under ambient

temperature and VDD supply voltage conditions summarized in Table 7.

High-speed internal (HSI) RC oscillator

Table 19. HSI oscillator characteristics(1)(2)

Symbol

Parameter

Conditions

fHSI Frequency

ACCHSI Accuracy of HSI oscillator

tsu(HSI) HSI oscillator start up time

IDD(HSI)

HSI oscillator power

consumption

TA = –40 to 105 °C

at TA = 25°C

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

2. TBD stands for to be determined.

3. Values based on device characterization, not tested in production.

LSI Low Speed Internal RC Oscillator

Min

TBD

TBD

1

Typ Max(3) Unit

8

MHz

±3

TBD

%

±1

TBD

%

2

µs

80

100 µA

Table 20. LSI oscillator characteristics (1)

Symbol

Parameter

Conditions

fLSI

tsu(LSI)

IDD(LSI)

Frequency

LSI oscillator start up time

LSI oscillator power

consumption

1. VDD = 3 V, TA = −40 to 105 °C unless otherwise specified.

2. Value based on device characterization, not tested in production.

Min

Typ Max(2) Unit

30

60 kHz

85

µs

0.65 1.2

µA

37/67

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