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STM32WB55CC Datasheet(PDF) 29 Page - STMicroelectronics

Part # STM32WB55CC
Description  Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5.2 and 802.15.4 radio solution
PDF  193 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WB55CC Datasheet(HTML) 29 Page - STMicroelectronics

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DS11929 Rev 11
29/193
STM32WB55xx STM32WB35xx
Functional overview
57
Figure 7. STM32WB55xx - Power supply overview
1. The USB transceiver is powered by VDDUSB, and the GPIOs associated with USB are powered by VDDUSB
when USB alternate function (PA11 and PA12) is selected. When USB alternate function is not selected
the GPIOs associated with USB are powered as standard GPIOs.
MS41410V7
VBAT
IOs
Wakeup domain (VDDIO)
Analog domain
Interruptible domain (VDD12I)
Switch domain (VSW)
(CPU1, CPU2,
peripherals,
SRAM1,
SRAM2b)
Power switch
VBAT
ADC
VDDA
VREF+
VREF-
VSSA
VDD
HSI, HSE1,
2xPLL,
LSI1, LSI2,
IWDG, RF
IOs
VSS
REF_BUF
VSS
IO
logic
VREF+
VSW
LSE, RTC,
backup
registers
IO
logic
Backup domain
SMPS
Power switch
VSS
VBKP12
SRAM2a
Power
switch
VSS
On domain (VDD12O)
Power
switch
VSS
SysConfig, AIEC,
RCC, PwrCtrl,
LPTIM, LPUSART
=
=
VUSB
IOs
USB domain (VUSB)
VSS
VSS
USB
transceiver
(1)
VDDUSB
LCD
VLCD
LPR
MR
RFR
VLXSMPS
VFBSMPS
VDDSMPS
RF domain
Radio
VDDRF
VSSRF
(including exposed pad)
VSS
VSSSMPS
VSS
VSS



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