STM32F101R8T6TR

This is an ARM-based 32-bit MCU from the medium-density access line, featuring 64 or 128KB Flash, 6 timers, ADC, and 7 communication interfaces.

Key features

• Core: ARM 32-bit Cortex -M3 CPU – 36 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 to 128 Kbytes of Flash memory – 10 to 16 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
• Debug mode Serial wire debug (SWD) and JTAG interfaces
• DMA – 7-channel DMA controller
• Peripherals supported: timers, ADC, SPIs, I2Cs and USARTs
• 1x12-bit, 1 µs A/D converter (up to 16 channels) – Conversion range: 0 to 3.6 V – Temperature sensor
• 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
• Six timers: Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter; 2 watchdog timers (Independent and Window); SysTick timer: 24-bit downcounter
• Up to 7 communication interfaces: Up to 2xI²C interfaces (SMBus/PMBus); Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control); Up to 2 SPIs (18 Mbit/s)
• CRC calculation unit, 96-bit unique ID
• ECOPACK packages