STM32WB55VC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM32WB55VC

Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5 and 802.15.4 radio solution

STMicroelectronics 

Functional overview

STM32WB55xx STM32WB35xx

Figure 8. STM32WB35xx - Power supply overview

Interruptible domain (VDD12I)

On domain (VDD12O)

VFBSMPS

VLXSMPS

VDDSMPS

VSSSMPS

VDDRF

IOs

VSS

SMPS

IO

logic

(CPU1, CPU2,

peripherals,

SRAM1,

SRAM2b)

Power

switch

VSS

MR

RFR

LPR

RF domain

Radio

Power

switch

SysConfig, AIEC,

RCC, PwrCtrl,

LPTIM, LPUSART

VSS

Backup domain

VBKP12

SRAM2a

VSSRF

VSS

(including exposed pad)

VDD

VBAT

Wakeup domain (VDDIO)

Power switch

VSW

HSI, HSE1,

2xPLL,

LSI1, LSI2,

IWDG, RF

Power switch

VSS

VSS

VBAT

IOs

VSS

Switch domain (VSW)

IO

logic

LSE, RTC,

backup

registers

VSS

VDDA

Analog domain

ADC

VREF+

=

=

VSS

VREF-

VDDUSB

VUSB

IOs

VSS

USB

transceiver(1)

USB domain (VUSB) VSS

MS53593V1

1.

The USB transceiver is powered by

when USB alternate function (PA11

VaDnDdUPSAB1, 2a)ndis

the GPIOs associated with USB are powered

selected. When USB alternate function is not

bsyelVeDctDeUdSB

the GPIOs associated with USB are powered as standard GPIOs.

30/193

DS11929 Rev 10

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