意法半导体STM32F103RBT6 MCU单片机

 Features

 Includes ST state-of-the-art patented 

technology

 • 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

 September 2023

 VFQFPN36 6 × 6 mm

 UFQFPN48 7 × 7 mm

 BGA100 10 × 10 mm

 UFBGA100 7 x 7 mm

 BGA64 5 × 5 mm

 LQFP100 14 × 14 mm

 LQFP64 10 × 10 mm

 LQFP48 7 × 7 mm

 • 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®

 Table 1. Device summary

 Reference

 Part number

 STM32F103x8 STM32F103C8, STM32F103R8 

STM32F103V8, STM32F103T8

 STM32F103xB STM32F103RB STM32F103VB, 

STM32F103CB, STM32F103TB