STMicroelectronics STM32F042F4P6, 32bit ARM Cortex M0 Microcontroller, STM32F0, 48MHz, 16 kB Flash, 20-Pin TSSOP

RISC Core: ARM 32-bit Cortex-M0 CPU, frequency up to 48MHz
CRC calculation unit
Reset and power management
Clock management
Up to 37 fast Inputs/Outputs
5-channel DMA controller
8 Timers
Communication interfaces: I2C, USART, SPI, CAN, USB 2.0 full-speed

STM32F0 Series 32-Bit ARM® Cortex®-M0 Microcontrollers, STMicroelectronics

The STM32 F0 Series of the 32-bit Flash Microcontrollers (MCUs) is based on the ARM Cortex™-M0 core; a core specifically developed for embedded applications. STMicroelectronics’s STM32 ARM Cortex™ M processor benefits from the Cortex-M0 architectural enhancements including digital signal processing, real-time performance, low voltage and low power. ST’s ARM® STM32 F0 mainstream series delivers a 32-bit performance and is ideal for small projects or platform decisions with its easy to use functionality.