Devices STM32F2 Series STM32F215 STM32F215 STMicroelectronics Devices 6 STM32F215RETx STM32F215 Cortex-M3 STM32F215RGTx STM32F215 Cortex-M3 STM32F215VETx STM32F215 Cortex-M3 STM32F215VGTx STM32F215 Cortex-M3 STM32F215ZETx STM32F215 Cortex-M3 STM32F215ZGTx STM32F215 Cortex-M3