Stmicroelectronics Stm32F091Rct6
MCU, 32BIT, CORTEX-M0, 48MHZ, LQFP-64; Product Range:STM32 Family STM32F0 Series Microcontrollers; Architecture:ARM Cortex-M0; No. of I/O's:52I/O's; Embedded Interface Type:CAN, I2C, SPI, USART; Supply Voltage Min:2V; Supply Voltage Max:3.