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STM32F103C8 Datasheet(PDF) 37 Page - STMicroelectronics

Part # STM32F103C8
Description  Performance line, ARM-based 32-bit MCU with Flash, USB, CAN, seven 16-bit timers, two ADCs and nine communication interfaces
PDF  67 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F103C8 Datasheet(HTML) 37 Page - STMicroelectronics

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STM32F103xx
Electrical characteristics
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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
LSI Low Speed Internal RC Oscillator
Table 19.
HSI oscillator characteristics(1)(2)
1.
VDD = 3.3 V, TA = −40 to 105 °C unless otherwise specified.
2.
TBD stands for to be determined.
Symbol
Parameter
Conditions
Min
Typ
Max(3)
3.
Values based on device characterization, not tested in production.
Unit
fHSI
Frequency
8
MHz
ACCHSI Accuracy of HSI oscillator
TA = –40 to 105 °C
TBD
±3TBD
%
at TA = 25°C
TBD
±1TBD
%
tsu(HSI)
HSI oscillator start up time
1
2
µs
IDD(HSI)
HSI oscillator power
consumption
80
100
µA
Table 20.
LSI oscillator characteristics (1)
1.
VDD = 3 V, TA = −40 to 105 °C unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max(2)
2.
Value based on device characterization, not tested in production.
Unit
fLSI
Frequency
30
60
kHz
tsu(LSI)
LSI oscillator start up time
85
µs
IDD(LSI)
LSI oscillator power
consumption
0.65
1.2
µA



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