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STM32WL55JC Datasheet(PDF) 25 Page - STMicroelectronics

Part # STM32WL55JC
Description  Multiprotocol LPWAN dual core 32-bit Arm® Cortex®-M4/M0 LoRa®, (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM
PDF  145 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WL55JC Datasheet(HTML) 25 Page - STMicroelectronics

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DS13293 Rev 1
25/145
STM32WL55/54xx
Functional overview
48
Figure 6. Power supply overview
The different supply configurations are shown in the figure below.
Figure 7. Supply configurations
MSv50973V1
LDO/SMPS
MR
VDD
VLXSMPS
VFBSMPS
VBKP
VDDO
VDDI
VBAT
VRF
VMAIN
VLP
VSW
POR
mode
FW mode
en
RFLDO
VDDSMPS
VDDRF1V5
LPR
MSv50974V1
LDO/SMPS
LDO/SMPS supply
LDO supply
RF
LDO
MR
LPR
VDDRF1V5
VFBSMPS
VLXSMPS
VDDSMPS
VDD
LDO/SMPS
RF
LDO
MR
LPR
VDDRF1V5
VFBSMPS
VLXSMPS
VDDSMPS
VDD



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