STMicroelectronics STM32WBA62PII7, ARM Cortex M33 Microprocessor STM32 32bit 100MHz 121-Pin UFBGA

The STMicroelectronics Arm Cortex-M33 TZ MCU is a multiprotocol wireless and ultra-low-power devices embed a powerful and ultra-low-power radio compliant with the Bluetooth LE and with IEEE 802.15.4-2015. They contain a high performance Arm Cortex-M33 32-bit RISC core, and operate at a frequency of up to 100 MHz.

Clock management
Communication peripherals
Three 16 bit timers and two 32 bit timers
Two Systick timers
RTC with hardware calendar and calibration
Two watchdogs
HASH hardware accelerator