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ST NUCLEO-WL55JC STM32WL User Manual

ST NUCLEO-WL55JC STM32WL
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Page #15 background image
6.4 Power supply
The power supply can be provided by six different sources:
• A host PC connected to CN1 through a USB cable (default setting)
• An external VIN from 7 V to 12 V power supply connected to CN7 pin 24
• An external E5V 5 V power supply connected to CN7 pin 6
• An external 5V_USB_CHGR 5 V USB charger connected to CN1
• An external 3V3 3.3 V power supply connected to CN7 pin 16
• An external STD_ALONE_5V 5 V power supply to supply only the MCU part and not the STLINK-V3E part
UM2592
Power supply
UM2592 - Rev 1
page 15/49

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ST NUCLEO-WL55JC STM32WL Specifications

General IconGeneral
MicrocontrollerSTM32WL55JC
Flash Memory256 KB
RAM/SRAM64 KB
Operating FrequencyUp to 48 MHz
On-board debuggerST-LINK/V2-1
ADC12-bit, up to 16 channels
Wireless Technology/RadioLoRa, (G)FSK, (G)MSK, BPSK
Operating Voltage1.7 V to 3.6 V
DAC12-bit
Communication InterfacesSPI, I2C, USART
Operating Temperature-40 °C to +85 °C

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