●The STM32F103CBU6 is a medium density performance line STM32 F1 series 32-bit Microcontroller incorporates the high-performance ARM Cortex-M3 RISC core operating at a 72MHz frequency, high speed embedded memories (Flash memory up to 128kB and SRAM up to 20KB) and an extensive range of enhanced peripherals and I/Os connected to two APB buses. This device offer two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, as well as standard communication interfaces - up to two I²Cs, two SPIs, three USARTs, an USB and a CAN.
● 72MHz Maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance
● Single cycle multiplication and hardware division
● Clock, reset and supply management
● POR, PDR and programmable voltage detector (PVD)
● 4 to 16MHz Crystal oscillator
● Internal 8MHz factory trimmed RC
● Internal 40kHz RC
● PLL for CPU clock
● 32kHz Oscillator for RTC with calibration
● Sleep, stop and standby modes
● VBAT supply for RTC and backup registers
● Serial wire debug (SWD) and JTAG interfaces
● 7-channel DMA Controller
● 2 x Watchdog timers (Independent and window)
● SysTick Timer
● CAN interface (2.0B Active)
● USB 2.0 full speed interface
● 96-bit Unique ID
