STM32F103RCT6
ST
IC MCU 32BIT 256KB FLASH 64LQFP
STM32F103RCT6TR
STM32F103RDT6
IC MCU 32BIT 384KB FLASH 64LQFP
STM32F103RET6
IC MCU 32BIT 512KB FLASH 64LQFP
STM32F103VBT6
IC MCU 32BIT 128KB FLASH 100LQFP