Series: STM32F1 Core Processor: ARM® Cortex®-M3 Core Size: 32-Bit Speed: 72MHz Connectivity: CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB Peripherals: DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT Number of I/O: 37 Program Memory Size: 64KB (64K x 8) FLASH EEPROM Size: - RAM Size: 20K x 8 Voltage - Supply (Vcc/Vdd): 2 V ~ 3.6 V Data Converters: A/D 10x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Package / Case: 48-LQFP