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STM32F401 Scheda tecnica(PDF) 80 Page - STMicroelectronics

Il numero della parte STM32F401
Spiegazioni elettronici  Up to 12 communication interfaces
PDF  135 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STM32F401 Scheda tecnica(HTML) 80 Page - STMicroelectronics

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Electrical characteristics
STM32F401xD STM32F401xE
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Figure 25. Typical application with a 32.768 kHz crystal
6.3.9
Internal clock source characteristics
The parameters given in Table 39 and Table 40 are derived from tests performed under
ambient temperature and VDD supply voltage conditions summarized in Table 14.
High-speed internal (HSI) RC oscillator
L
Table 39. 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
-
16
-
MHz
ACCHSI
Accuracy of the HSI
oscillator
User-trimmed with the RCC_CR
register(2)
2. Guaranteed by design, not tested in production
--
1
%
Factory-
calibrated
TA = –40 to 105 °C(3)
3. Guaranteed by characterization, not tested in production
–8
-
4.5
%
TA = –10 to 85 °C(3)
–4
-
4
%
TA = 25 °C
–1
-
1
%
tsu(HSI)(2)
HSI oscillator
startup time
-2.2
4
µs
IDD(HSI)(2)
HSI oscillator
power consumption
-60
80
µA



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