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STM32F050C4 Datasheet(PDF) 57 Page - STMicroelectronics

Part # STM32F050C4
Description  Low- and medium-density advanced ARM-based 32-bit MCU with up to 32 Kbytes Flash, timers, ADC and comm. interfaces
PDF  97 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F050C4 Datasheet(HTML) 57 Page - STMicroelectronics

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STM32F050xx
Electrical characteristics
Doc ID 023683 Rev 1
57/97
6.3.7
Internal clock source characteristics
The parameters given in Table 33 are derived from tests performed under ambient
temperature and supply voltage conditions summarized in Table 15: General operating
conditions. The provided curves are characterization results, not tested in production.
High-speed internal (HSI) RC oscillator
Figure 16.
HSI oscillator accuracy characterization results
Table 33.
HSI oscillator characteristics(1)
1.
VDDA = 3.3 V, TA = –40 to 105 °C unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fHSI
Frequency
-
8
MHz
TRIM
HSI user trimming step
-
-
1(2)
2.
Guaranteed by design, not tested in production.
%
DuCy(HSI)
Duty cycle
45(2)
-55(2)
%
ACCHSI
Accuracy of the HSI
oscillator (factory
calibrated)
TA = –40 to 105 °C
–3.8(3)
3.
Data based on characterization results, not tested in production.
-4.6(3)
%
TA = –10 to 85 °C
–2.9(3)
-2.9(3)
%
TA = 0 to 70 °C
–2.3(3)
-2.2(3)
%
TA = 25 °C
–1
-
1
%
tsu(HSI)
HSI oscillator startup
time
1(2)
-2(2)
µs
IDDA(HSI)
HSI oscillator power
consumption
-
80
100(2)
µA



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