STM32WB15CC datasheet(23/127 Pages) STMICROELECTRONICS

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STM32WB15CC датащи(PDF) 23 Page - STMicroelectronics

номер детали	STM32WB15CC

подробное описание детали	Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5.2 radio solution

PDF	127 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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23 / 127 page

DS13258 Rev 4

23/127

STM32WB15CC

Functional overview

Figure 5. Power-up/down sequence

1. VDDX refers to VDDA.

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 the external decoupling

capacitors to be discharged with different time constants during the power down transient

phase.

Note:

VDD, VDDRF and VDDSMPS must be wired together, so they can follow the same voltage

sequence.

MSv47490V1

0.3

VBOR0

3.6

Operating mode

Power-on

Power-down

time

VDDX

(1)

VDD

Invalid supply area

VDDX < VDD + 300 mV

VDDX independent from VDD

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