Electrical characteristics
STM32F405xx, STM32F407xx
1. VDD = 3.3 V, TA = –40 to 105 °C unless otherwise specified.
2. Based on characterization, not tested in production.
3. Guaranteed by design, not tested in production.
Low-speed internal (LSI) RC oscillator
Table 34. LSI oscillator characteristics (1)
Symbol
Parameter
Min
Typ
fLSI(2)
tsu(LSI)(3)
IDD(LSI)(3)
Frequency
LSI oscillator startup time
LSI oscillator power consumption
1. VDD = 3 V, TA = –40 to 105 °C unless otherwise specified.
2. Based on characterization, not tested in production.
3. Guaranteed by design, not tested in production.
17
32
-
15
-
0.4
Figure 34. ACCLSI versus temperature
Max Unit
47
kHz
40
µs
0.6
µA
50
max
40
avg
min
30
20
10
0
-10
-20
-30
-40
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 95 105
Temperat ure (°C)
5.3.10
MS19013V1
PLL characteristics
The parameters given in Table 35 and Table 36 are derived from tests performed under
temperature and VDD supply voltage conditions summarized in Table 14.
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