STMicroelectronics STM32WB15CCU7E, 32 bit ARM Cortex M0+, ARM Cortex M4, STM32WB Microcontroller, 64 MHz, 320kB FLASH,

The STMicroelectronics STM32WB15CC microcontroller is multiprotocol wireless and ultra low power device embeds a powerful and ultra-low-power radio compliant with the Bluetooth low energy SIG specification v5.2. It contains a dedicated Arm® Cortex® -M0+ for performing all the real-time low layer operation. The device embeds high-speed memories and an extensive range of enhanced I/Os and peripherals.

• Programmable output power up to +5.5 dBm with 1 dB steps
• Integrated balun to reduce BOM
• Support for 2 Mbps
• Ultra low power platform
• Supply and reset management