CD00237391 Datasheet, PDF (86/177 Pages) STMicroelectronics – ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM

Electrical characteristics
Low-speed internal (LSI) RC oscillator
Table 31. LSI oscillator characteristics ⁽¹⁾
Symbol
Parameter
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. Based on characterization, not tested in production.
3. Guaranteed by design, not tested in production.
Figure 33. ACC_LSI versus temperature
STM32F20xxx
Min
Typ
Max Unit
17
32
47
kHz
-
15
40
µs
-
0.4
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)
MS19013V1
5.3.10 PLL characteristics
The parameters given in Table 32 and Table 33 are derived from tests performed under
temperature and V_DD supply voltage conditions summarized in Table 12.
Table 32. Main PLL characteristics
Symbol
Parameter
Conditions
Min
Typ
Max Unit
f_{PLL_IN}
PLL input clock⁽¹⁾
0.95
(2)
1
2.10⁽²⁾ MHz
f_{PLL_OUT}
f_{PLL48_OUT}
f_{VCO_OUT}
PLL multiplier output clock
48 MHz PLL multiplier output
clock
PLL VCO output
24
-
-
-
192
-
120 MHz
48 MHz
432 MHz
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Doc ID 15818 Rev 9