STM32 F103RB: a 32-bit ARM Cortex M3 microprocessor

  • STM32 F103RB: a 32-bit ARM Cortex M3 microprocessor
  • Clock Speed: 72 MHz
  • Operating Voltage: 3.3V
  • Input Voltage (recommended): 3.0V-12V
  • 39 Digital I/O Pins (GPIO)
  • 16 Analog Input Pins
  • 12-bit ADC resolution (ADC)
  • 15 PWM pins at 16-bit resolution (PWM)
  • Dedicated USB port for programming and communications (USB)
  • External JTAG interface (USB)
  • 128 Flash and 20KB SRAM
  • 64 Channel nested vector interrupt handler (including external interrupt on GPIO’s)
  • Integrated SPI (SPI)
  • Integrated I2C (I2C)
  • 7 Channels of Direct Memory Access (DMA)
  • 3 USART divices (USART)
  • Four 4-channel Timers (Timers)
  • Supplies up to 800mA @ 3.3v
  • Support for low power and sleep modes (<500uA)