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STM32F407IE Datasheet(PDF) 102 Page - STMicroelectronics

Part # STM32F407IE
Description  ARM Cortex-M4 32b MCUFPU, 210DMIPS, up to 1MB Flash/1924KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera
PDF  201 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F407IE Datasheet(HTML) 102 Page - STMicroelectronics

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Electrical characteristics
STM32F405xx, STM32F407xx
102/201
DocID022152 Rev 6
Figure 33. Typical application with a 32.768 kHz crystal
5.3.9
Internal clock source characteristics
The parameters given in Table 34 and Table 35 are derived from tests performed under
ambient temperature and VDD supply voltage conditions summarized in Table 14.
High-speed internal (HSI) RC oscillator
Low-speed internal (LSI) RC oscillator
Table 34. 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
HSI user trimming step(2)
2. Guaranteed by design.
--
-
1
%
Accuracy of the HSI oscillator
TA = –40 to 105 °C(3)
3. Guaranteed by characterization.
–8
-
4.5
%
TA = –10 to 85 °C(3)
–4
-
4
%
TA = 25 °C(4)
4. Factory calibrated, parts not soldered.
–1
-
1
%
tsu(HSI)(2) HSI oscillator startup time
-
-
2.2
4
µs
IDD(HSI)(2)
HSI oscillator power
consumption
-
-
60
80
µA
Table 35. LSI oscillator characteristics (1)
1. VDD = 3 V, TA = –40 to 105 °C unless otherwise specified.
Symbol
Parameter
Min
Typ
Max
Unit
fLSI(2)
2. Guaranteed by characterization.
Frequency
17
32
47
kHz
tsu(LSI)(3)
3. Guaranteed by design.
LSI oscillator startup time
-
15
40
µs
IDD(LSI)(3)
LSI oscillator power consumption
-
0.4
0.6
µA



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