Datasheet

Electrical characteristics STM32L496xx
164/272 DS11585 Rev 9
Figure 29. HSI48 frequency versus temperature
Low-speed internal (LSI) RC oscillator
6.3.9 PLL characteristics
The parameters given in Table 62 are derived from tests performed under temperature and
V
DD
supply voltage conditions summarized in Table 22: General operating conditions.
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Table 61. LSI oscillator characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
LSI
LSI Frequency
V
DD
= 3.0 V, T
A
= 30 °C 31.04 - 32.96
kHz
V
DD
= 1.62 to 3.6 V, T
A
= -40 to 125 °C 29.5 - 34
t
SU
(LSI)
(2)
LSI oscillator start-
up time
--80130s
t
STAB
(LSI)
(2)
LSI oscillator
stabilization time
5% of final frequency - 125 180 s
I
DD
(LSI)
(2)
LSI oscillator power
consumption
--110180nA
1. Guaranteed by characterization results.
2. Guaranteed by design.
Table 62. PLL, PLLSAI1, PLLSAI2 characteristics
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
PLL_IN
PLL input clock
(2)
-4-16MHz
PLL input clock duty cycle - 45 - 55 %
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