Datasheet STM32F103C8 Equivalent ( PDF )

STM32F103x8 STM32F103xB Medium-density performance line ARM®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs, 9 com. interfaces Datasheet - production data Features ARM® 32-bit Cortex®-M3 CPU Core 72 MH- maximum frequency, 1.25 DMIPS, MH- (Dhrystone 2.1) performance at 0 wait state memory access Single-cycle multiplication and hardware division Memories 64 or 128 Kbyt

The STM32F103xx medium-density performance line family incorporates the high-performance Arm Cortex-M3 32-bit RISC core operating at a 72 MHz frequency, high-speed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 20 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses.