STM32L151RET6,integrated circuit Embedded microcontroller STMicroelectronics series STM32L1 package tray Core processor ARM® Cortex®-M3 Core specification 32-bit single core speed 32MHz Connection ability I²C，IrDA，LINbus，SPI，UART/USART，USB peripheral device Undervoltage detection/reset, capacitance sensing, DMA, IS, POR, PWM, WDT I/O number Fifty-one Program storage capacity 512KB（512K x 8） Program memory type flash memory EEPROM capacity 16K x 8 RAM size 80K x 8 Voltage-supply (Vcc/Vdd) 1.8V ~ 3.6V data converter A/D 24x12b； D/A 2x12b 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）