STM32F334R8T6,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，LINbus，SPI，UART/USART peripheral device DMA，POR，PWM，WDT I/O number Fifty-one Program storage capacity 64KB（64K x 8） Program memory type flash memory EEPROM capacity - RAM size 12K x 8 Voltage-supply (Vcc/Vdd) 2V ~ 3.6V data converter A/D 21x12b; D/A 3x12b Oscillator type inside Working temperature -40°C ~ 85°C（TA） Installation type Surface mount type Package/housing 64-LQFP Supplier device package 64-LQFP（10x10）