Devices STM32F1 Series STM32F107 STM32F107 STMicroelectronics Devices 4 STM32F107RB STM32F107 Cortex-M3 STM32F107RC STM32F107 Cortex-M3 STM32F107VB STM32F107 Cortex-M3 STM32F107VC STM32F107 Cortex-M3