User's Manual
UM2819
UM2819 - Rev 1
page 2/37
Features
1 Features
• STM32WB55RG (1-Mbytes Flash memory, 256-Kbyte SRAM, in VFQFPN68 package) ultra‑low‑power
wireless microcontroller featuring:
– Dual-core 32‑bit (Arm
®
Cortex
®
-M4 and dedicated M0+ CPU for real-time radio layer)
– 2.4 GHz RF transceiver supporting Bluetooth
®
specification v5.2
• Three user LEDs
• One reset and three user push-buttons
• Board connectors:
– ARDUINO
®
Uno V3 expansion connector
– ST morpho extension pin headers for full access to all STM32WB I/Os
• Integrated PCB antenna and SMA connector footprint
• Flexible power-supply options: ST-LINK, USB V
BUS
, or external sources
• On-board footprint to mount a CR2032 battery socket
• On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, Virtual
COM port, and debug port
• Comprehensive free software libraries and examples available with the STM32CubeWB MCU Package
• Support of a wide choice of Integrated Development Environments (IDEs) including IAR Embedded
Workbench
®
, MDK-ARM, STM32CubeIDE
Note: Arm is a registered trademark of Arm Limited (or its subsidiaries) in the US and/or elsewhere.
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