STM32L151XE Datasheet, PDF (82/134 Pages) STMicroelectronics – Ultra-low-power platform

Electrical characteristics
STM32L151xE STM32L152xE
Multi-speed internal (MSI) RC oscillator
Table 32. MSI oscillator characteristics
Symbol
Parameter
Condition
MSI range 0
MSI range 1
MSI range 2
f_MSI
Frequency after factory calibration, done at
V_DD= 3.3 V and T_A = 25 °C
MSI range 3
MSI range 4
MSI range 5
MSI range 6
ACC_MSI Frequency error after factory calibration
D_TEMP(MSI)(1)
MSI oscillator frequency drift
0 °C ≤T_A ≤105 °C
D_VOLT(MSI)(1)
MSI oscillator frequency drift
1.65 V ≤V_DD ≤3.6 V, T_A = 25 °C
-
-
-
MSI range 0
MSI range 1
I_DD(MSI)(2) MSI oscillator power consumption
MSI range 2
MSI range 3
MSI range 4
MSI range 5
MSI range 6
MSI range 0
MSI range 1
MSI range 2
MSI range 3
t_SU(MSI) MSI oscillator startup time
MSI range 4
MSI range 5
MSI range 6,
Voltage range 1
and 2
MSI range 6,
Voltage range 3
Typ
65.5
131
262
524
1.05
2.1
4.2
±0.5
±3
-
0.75
1
1.5
2.5
4.5
8
15
30
20
15
10
6
5
3.5
5
Max Unit
-
-
kHz
-
-
-
- MHz
-
-%
-%
2.5 %/V
-
-
-
- µA
-
-
-
-
-
-
-
-
µs
-
-
-
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DocID025433 Rev 8