STM32F745IE Datasheet, PDF (128/227 Pages) STMicroelectronics – Up to 168 I/O ports with interrupt capability

Electrical characteristics
STM32F745xx STM32F746xx
Low-speed internal (LSI) RC oscillator
Table 42. LSI oscillator characteristics ⁽¹⁾
Symbol
Parameter
Min
Typ
f_LSI(2)
t_su(LSI)(3)
I_DD(LSI)(3)
Frequency
LSI oscillator startup time
LSI oscillator power consumption
1. V_DD = 3 V, T_A = –40 to 105 °C unless otherwise specified.
2. Guaranteed by characterization results.
3. Guaranteed by design.
17
32
-
15
-
0.4
Figure 35. LSI deviation versus temperature
Max Unit
47
kHz
40
µs
0.6
µA
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5.3.11 PLL characteristics
The parameters given in Table 43 and Table 44 are derived from tests performed under
temperature and V_DD supply voltage conditions summarized in Table 17.
Table 43. Main PLL characteristics
Symbol
Parameter
Conditions
Min
Typ
f_{PLL_IN}
f_{PLL_OUT}
f_{PLL48_OUT}
PLL input clock⁽¹⁾
PLL multiplier output clock
48 MHz PLL multiplier output
clock
-
0.95⁽²⁾
1
-
24
-
-
-
48
f_{VCO_OUT}
PLL VCO output
-
100
-
Max Unit
2.10
216
MHz
75
432
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