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STM32L4A6RG Folha de dados(PDF) 24 Page - STMicroelectronics

Nome de Peças STM32L4A6RG
Descrição Electrónicos  Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 100DMIPS, 1MB Flash, 320KB SRAM, USB OTG FS, audio, AESHASH, ext. SMPS
PDF  282 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L4A6RG Folha de dados(HTML) 24 Page - STMicroelectronics

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Functional overview
STM32L4A6xG
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DS11584 Rev 8
Figure 3. Power supply overview
During power-up and power-down phases, the following power sequence requirements
must be respected:
•
When VDD is below 1 V, other power supplies (VDDA, VDDUSB, VDDIO2, VLCD must
remain below VDD + 300 mV.
•
When VDD is above 1 V, all power supplies are independent.
During the power-down phase, VDD can temporarily become lower than other supplies only
if the energy provided to the MCU remains below 1 mJ; this allows external decoupling
capacitors to be discharged with different time constants during the power-down transient
phase.



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