Core Processor ARM® Cortex®-M3 Core Specification 32-bit single core Speed 72MHz Connectivity CANbus, I2C, IrDA, LIN, SPI, UART/USART, USB Peripherals DMA, motor control PWM, PDR, POR, PVD, PWM, temperature sensor, WDT I/O Number 112 Program Storage Capacity 512KB (512K x 8) Program memory type Flash memory EEPROM capacity -Capacity RAM size 64K x 8 Voltage - Power Supply (Vcc/Vdd) 2V ~ 3.6V Data Converters A/D 24x12b; D/A 2x12b Oscillator Type Internal Operating Temperature -40°C ~ 85°C (TA) Mounting Type Surface Mount Type Package/Housing 144-LQFP Basic Product Number STM32F103