STM32F071CBT6 product features:

STM32F071CBT6 STM32 F0 entry-level Arm ®  Cortex-M0 ® MCU provides 32-bit performance while also possessing the basic features of the STM32 series, making it an ideal choice for cost sensitive applications. The STM32 F0 MCU combines the real-time performance, low-power operation, and advanced architecture and peripherals of the STM32 platform. STM32F0x0 is competitive in the traditional 8-bit and 16 bit markets, without the need to manage different architectures and related development costs. The STM32F0x1 series provides highly integrated functionality, covering various memory sizes and packaging, bringing flexibility to cost sensitive applications.
The STM32 F0 entry-level Arm Cortex-M0 MCU from STM32 provides rich connectivity through a crystal free USB 2.0 and CAN bus interface, making it an ideal choice for communication gateways, smart energy devices, and gaming terminals. The working voltage of the STM32F0x8 series is 1.8V ± 8%, making it very suitable for portable consumer applications such as smartphones, accessories, and media devices.
The STM32 Nucleo board provides users with a flexible way to try new ideas and build prototypes using any STM32 microcontroller series, selecting from various combinations of performance, power consumption, and functionality.