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STM32F103X8 Datasheet(PDF) 48 Page - STMicroelectronics

Part # STM32F103X8
Description  Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces
PDF  84 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F103X8 Datasheet(HTML) 48 Page - STMicroelectronics

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Electrical characteristics
STM32F103xx
48/84
5.3.7
Internal clock source characteristics
The parameters given in Table 23 are derived from tests performed under ambient
temperature and VDD supply voltage conditions summarized in Table 7.
High-speed internal (HSI) RC oscillator
LSI Low Speed Internal RC Oscillator
Table 23.
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
8
MHz
ACCHSI Accuracy of HSI oscillator
TA = –40 to 105 °C
±1
±3%
TA = –10 to 85 °C
±1
±2.5
%
TA = 0 to 70 °C
±1
±2.2
%
at TA = 25°C
±1
±2%
tsu(HSI)
HSI oscillator start up time
1
2
µs
IDD(HSI)
HSI oscillator power
consumption
80
100
µA
Table 24.
LSI oscillator characteristics (1)
1.
VDD = 3 V, TA = −40 to 105 °C unless otherwise specified.
Symbol
Parameter
Conditions
Min(2)
2.
Value based on device characterization, not tested in production.
Typ
Max
Unit
fLSI
Frequency
30
40
60
kHz
tsu(LSI)
LSI oscillator startup time
85
µs
IDD(LSI)
LSI oscillator power
consumption
0.65
1.2
µA



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