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STM32F745VG bảng dữ liệu(PDF) 128 Page - STMicroelectronics

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STM32F745VG bảng dữ liệu(HTML) 128 Page - STMicroelectronics

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Electrical characteristics
STM32F745xx STM32F746xx
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DocID027590 Rev 4
Low-speed internal (LSI) RC oscillator
Figure 35. LSI deviation versus temperature
5.3.11
PLL characteristics
The parameters given in Table 43 and Table 44 are derived from tests performed under
temperature and VDD supply voltage conditions summarized in Table 17.
Table 42. 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 results.
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
Table 43. Main PLL characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fPLL_IN
PLL input clock(1)
-0.95(2)
12.10
MHz
fPLL_OUT
PLL multiplier output clock
-
24
-
216
fPLL48_OUT
48 MHz PLL multiplier output
clock
-
-
48
75
fVCO_OUT
PLL VCO output
-
100
-
432



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