The STM32L151RET6 is an ARM microcontroller from STMicroelectronics featuring an ultra-low-power ARM Cortex-M3 32 MHz CPU with 512 kbytes of Flash memory, integrated USB capabilities, and two operational amplifiers. The device operates on voltage levels from 1.8 to 3.6 V. It is designed for application development for automotive, healthcare, smart energy, industrial, and other applications requiring low-power performance. It is based on a Cortex-M3 processor core, includes a variety of peripherals such as various timers, 12-bit ADCs, 12-bit DACs, comparators, and an I2C bus interface. It is also available in a LQFP-64 package.