STM32WB35CCV7 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STM32WB35CCV7

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

STMicroelectronics 

STM32WB55xx STM32WB35xx

Functional overview

Figure 7. STM32WB55xx - 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

VLCD VSS

VDDA

Switch domain (VSW)

IO

logic

LSE, RTC,

backup

registers

VSS

LCD

Analog domain

VREF+

VSSA

REF_BUF

ADC

VREF+

VREF-

=

=

VDDUSB

VUSB

IOs

VSS

USB

transceiver(1)

USB domain (VUSB) VSS

MS41410V7

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.

DS11929 Rev 10

29/193

57

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