STM32F302CBT6,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 Thirty-seven Program storage capacity 128KB（128K x 8） Program memory type flash memory EEPROM capacity - RAM size 32K x 8 Voltage-supply (Vcc/Vdd) 2V ~ 3.6V data converter A/D 9x12b; D/A 1x12b Oscillator type inside Working temperature -40°C ~ 85°C（TA） Installation type Surface mount type Package/housing 48-LQFP Supplier device package 48-LQFP（7x7）