Datasheet
DocID17659 Rev 9 75/131
STM32L151x6/8/B, STM32L152x6/8/B Electrical characteristics
105
Multi-speed internal (MSI) RC oscillator
Table 32. 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 -
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-