STM32F103R8T6 Datasheet

Embedded - Microcontrollers


The STM32F103R8T6 medium-density performance line family incorporates the highperformance ARM Cortex™-M3 32-bit RISC core operating at a 72 MHz frequency, highspeed embedded memories (Flash memory up to 128 Kbytes and SRAM up to 20 Kbytes), and an extensive range of enhanced I/Os and peripherals connected to two APB buses. All devices offer two 12-bit ADCs, three general purpose 16-bit timers plus one PWM timer, as well as standard and advanced communication interfaces: up to two I2 Cs and SPIs, three USARTs, an USB and a CAN. STM32F103R8T6 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


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