ST STM32F103xC STM32F103xD STM32F103xE handbook
Datasheet
The STM32F103xC/xD/xE high-performance product line is a 32-bit MCU based on the ARM Cortex™-M3 core with 256 to 512KB Flash memory, USB, CAN, 11 timers, 3 ADCs and 13 communication interfaces.
