Datasheet

DocID027100 Rev 4 87/149
STM32L072xx Electrical characteristics
120
ACC
MSI
Frequency error after factory calibration - ±0.5 - %
D
TEMP(MSI)
(1)
MSI oscillator frequency drift
0 °C ≤ T
A
≤ 85 °C
- ±3-
%
MSI oscillator frequency drift
V
DD
= 3.3 V, − 40 °C ≤ T
A
≤ 110 °C
MSI range 0 − 8.9 +7.0
MSI range 1 − 7.1 +5.0
MSI range 2 − 6.4 +4.0
MSI range 3 − 6.2 +3.0
MSI range 4 − 5.2 +3.0
MSI range 5 − 4.8 +2.0
MSI range 6 − 4.7 +2.0
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 -
t
SU(MSI)
MSI oscillator startup time
MSI range 0 30 -
µs
MSI range 1 20 -
MSI range 2 15 -
MSI range 3 10 -
MSI range 4 6 -
MSI range 5 5 -
MSI range 6,
Voltage range 1
and 2
3.5 -
MSI range 6,
Voltage range 3
5-
Table 50. MSI oscillator characteristics (continued)
Symbol Parameter Condition Typ Max Unit
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