STM32 is a family of 32-bit microcontroller integrated circuits by STMicroelectronics. The STM32 chips are grouped into related series that are based around the same 32-bit ARM processor core, such as the Cortex-M7, Cortex-M4F, Cortex-M3, Cortex-M0+,

HC32F003 系列是一款Low Pin Count、宽电压工作范围的MCU。集成12位1M sps 高精度SARADC 以及集成了比较器，多路UART，SPI，I2C等丰富的通讯外设，具有高整合度、高抗干扰、高可靠性的特点。HC32F003 内核采用Cortex-M0+ 内核，配合成熟的Keil μVision 调试开发软件，支持C语言及汇编语言，汇编指令。