STM32F103C6

SPEC.
Core
 - ARM 32-bit Cortex-M3 (72MHz)
 - performance at 0 wait state memory access
 - Single cycle multiplication and hardware division

Memory
 - 32Kbyte Flash memory / 10 Kbyte SDRAM

Up to 51 fast I/O ports
 - 26 / 37 / 51 I/Os, all mappable on 16 external interrupt vectors

Low power
 - Sleep, Stop, Standby modes
 - V(BAT) supply for RTC and backup registers

Clock, reset and supply management
 - 2.0 to 3.6 V application supply and I/Os
 - POR, PDR, 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

12 bit A/D converters * 2
 - Conversion range( 0 to 3.6V)
 - up to 16 channels
 - Dual-sample and hold capability
 - Temperature sensor

DMA
 - 7 channel DMA controller
 - Peripherals supported timers, ADC, SPIs, I2C, USARTs
Debug mode
 - Serial wire debug(SWD), JTAG interfaces

Timer (6 개)
 - 2 * 16 bit timers
 - 16 bit motor control PWM
 - 2 * watchdog timers
 - 24 bit downcounter

Communication interfaces (6개)
 - I2C (SMBus/PMBus)
 - USART * 2 (ISO 7816 interface, LIN, IrDA capability, modem control)
 - SPI (18Mbit/s)
 - CAN interface (2.0B Active)
 - USB 2.0 Full-Speed

CRC calculation unit (96 bit unique ID)