STM32F303ZET6,integrated circuit Embedded microcontroller STMicroelectronics package tray Core processor ARM® Cortex®-M4 Core specification 32-bit single core speed 72MHz Connection ability CANbus，I²C，IrDA，LIN，SPI，UART/USART，USB peripheral device DMA，I²S，POR，PWM，WDT I/O number One hundred and fifteen Program storage capacity 512KB（512K x 8） Program memory type flash memory EEPROM capacity - RAM size 80K x 8 Voltage-supply (Vcc/Vdd) 2V ~ 3.6V data converter A/D 40x12b; D/A 2x12b Oscillator type inside Working temperature -40°C ~ 85°C（TA） Installation type Surface mount type Package/housing 144-LQFP Supplier device package 144-LQFP（20x20）