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STM32L452VCU3 Scheda tecnica(PDF) 128 Page - STMicroelectronics

Il numero della parte STM32L452VCU3
Spiegazioni elettronici  Ultra-low-power ARM® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 512KB Flash, 160KB SRAM, analog, audio, ext. SMPS
PDF  210 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L452VCU3 Scheda tecnica(HTML) 128 Page - STMicroelectronics

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Electrical characteristics
STM32L452xx
128/210
DocID029968 Rev 3
Note:
For information on selecting the crystal, refer to the application note AN2867 “Oscillator
design guide for ST microcontrollers” available from the ST website www.st.com.
Figure 21. Typical application with a 32.768 kHz crystal
Note:
An external resistor is not required between OSC32_IN and OSC32_OUT and it is forbidden
to add one.
1. Guaranteed by design.
2. Refer to the note and caution paragraphs below the table, and to the application note AN2867 “Oscillator design guide for
ST microcontrollers”.
3.
tSU(LSE) is the startup time measured from the moment it is enabled (by software) to a stabilized 32.768 kHz oscillation is
reached. This value is measured for a standard crystal and it can vary significantly with the crystal manufacturer



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