STM32F103C8T6

Features
• ARM® 32-bit Cortex®-M3 CPU Core
  – 72 MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access
  – Single-cycle multiplication and hardware division
• Memories
  – 64 or 128 Kbytes of Flash memory
  – 20 Kbytes of SRAM
• Clock, reset and supply management
  – 2.0 to 3.6 V application supply and I/Os
  – POR, PDR, and programmable voltage detector (PVD)
  – 4-to-16 MHz crystal oscillator
  – Internal 8 MHz factory-trimmed RC
  – Internal 40 kHz RC
  – PLL for CPU clock
  – 32 kHz oscillator for RTC with calibration
• Low-power
  – Sleep, Stop and Standby modes
  – VBAT supply for RTC and backup registers
• 2 x 12-bit, 1 µs A/D converters (up to 16 channels)
  – Conversion range: 0 to 3.6 V
  – Dual-sample and hold capability
  – Temperature sensor
• DMA
  – 7-channel DMA controller
  – Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs
• Up to 80 fast I/O ports
  – 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant
• Debug mode
  – Serial wire debug (SWD) & JTAG interfaces
• 7 timers
  – Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input
  – 16-bit, motor control PWM timer with deadtime generation and emergency stop
  – 2 watchdog timers (Independent and Window)
  – SysTick timer 24-bit downcounter
• Up to 9 communication interfaces
  – Up to 2 x I2C interfaces (SMBus/PMBus)
  – Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control)
  – Up to 2 SPIs (18 Mbit/s)
  – CAN interface (2.0B Active)
  – USB 2.0 full-speed interface
• CRC calculation unit, 96-bit unique ID
• Packages are ECOPACK®