STM32F103CBU6TR

Medium-density performance line Arm®-based 32-bit MCU with 64 or 128 KB Flash, USB, CAN, 7 timers, 2 ADCs and 9 communication interfaces.

Key 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
• 2x 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) and JTAG interfaces
• Seven 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 dead-time generation and emergency stop; Two watchdog timers (independent and window); SysTick timer 24-bit downcounter
• Up to nine communication interfaces – Up to two I²C interfaces (SMBus/PMBus) Up to three USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) Up to two 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