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STM32L031C4 Folha de dados(PDF) 73 Page - STMicroelectronics

Nome de Peças STM32L031C4
Descrição Electrónicos  Access line ultra-low-power 32-bit MCU ARM-based Cortex-M0, up to 32KB Flash, 8KB SRAM, 1KB EEPROM, ADC
PDF  118 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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STM32L031C4 Folha de dados(HTML) 73 Page - STMicroelectronics

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STM32L031x4/6
Electrical characteristics
95
6.3.8
PLL characteristics
The parameters given in Table 44 are derived from tests performed under ambient
temperature and VDD supply voltage conditions summarized in Table 20.
tSU(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-
tSTAB(MSI)(2) MSI oscillator stabilization time
MSI range 0
-
40
µs
MSI range 1
-
20
MSI range 2
-
10
MSI range 3
-
4
MSI range 4
-
2.5
MSI range 5
-
2
MSI range 6,
Voltage range 1
and 2
-2
MSI range 3,
Voltage range 3
-3
fOVER(MSI)
MSI oscillator frequency overshoot
Any range to
range 5
-4
MHz
Any range to
range 6
-6
1. This is a deviation for an individual part, once the initial frequency has been measured.
2. Guaranteed by characterization results.
Table 43. MSI oscillator characteristics (continued)
Symbol
Parameter
Condition
Typ
Max Unit
Table 44. PLL characteristics
Symbol
Parameter
Value
Unit
Min
Typ
Max(1)
fPLL_IN
PLL input clock(2)
2-
24
MHz
PLL input clock duty cycle
45
-
55
%



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