MCU, 32BIT, 64MHZ, UFQFPN-EP-48; Product Range:STM32 Family STM32WB Series Microcontrollers; Device Core:ARM Cortex-M4F, ARM Cortex-M0+; Data Bus Width:32 bit; Operating Frequency Max:64MHz; Program Memory Size:320KB; Qualification:-RoHS Compliant: Yes