Datasheet

Electrical characteristics STM32L011x3/4
68/119 DocID027973 Rev 5
Low-speed internal (LSI) RC oscillator
Multi-speed internal (MSI) RC oscillator
Table 39. LSI oscillator characteristics
Symbol Parameter Min Typ Max Unit
f
LSI
(1)
1. Guaranteed by test in production.
LSI frequency 26 38 56 kHz
D
LSI
(2)
2. This is a deviation for an individual part, once the initial frequency has been measured.
LSI oscillator frequency drift
0°C ≤ T
A
≤ 85°C
-10 - 4 %
t
su(LSI)
(3)
3. Guaranteed by design, not tested in production.
LSI oscillator startup time - - 200 µs
I
DD(LSI)
(3)
LSI oscillator power consumption - 400 510 nA
Table 40. MSI oscillator characteristics
Symbol Parameter Condition Typ Max Unit
f
MSI
Frequency after factory calibration, done at
V
DD
= 3.3 V and T
A
= 25 °C
MSI range 0 65.5 -
kHz
MSI range 1 131 -
MSI range 2 262 -
MSI range 3 524 -
MSI range 4 1.05 -
MHzMSI range 5 2.1 -
MSI range 6 4.2 -
ACC
MSI
Frequency error after factory calibration - ± 0.5 - %
D
TEMP(MSI)
(1)
MSI oscillator frequency drift
0°C ≤ T
A
≤ 85 °C
- ± 3-%
D
VOLT(MSI)
(1)
MSI oscillator frequency drift
1.65 V ≤ V
DD
≤ 3.6 V, T
A
= 25 °C
--2.5%/V
I
DD(MSI)
(2)
MSI oscillator power consumption
MSI range 0 0.75 -
µA
MSI range 1 1 -
MSI range 2 1.5 -
MSI range 3 2.5 -
MSI range 4 4.5 -
MSI range 5 8 -
MSI range 6 15 -
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