STM32F103RBT6

The STM32F103RBT6 medium density performance microcontroller incorporates the high performance ARM Cortex™-M3 32 bit RISC core operating at a 72MHz frequency, high speed 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. This device 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 I2Cs and SPIs, three USARTs, an USB and a CAN.

• 72MHz maximum frequency, 1.25 DMIPS/MHz (Dhrystone 2.1) performance at 0 wait state memory access
• Single cycle multiplication and hardware division
• 20 Kbytes of SRAM
• Clock, reset and supply management
• 2V to 3.6V application supply and I/Os
• POR, PDR, and programmable voltage detector (PVD)
• 4MHz to 16MHz crystal oscillator
• Internal 8MHz factory trimmed RC
• Internal 40kHz RC
• PLL for CPU clock