关键词: MCU, 编程器, STM32F103

Abstract: Programming is an indispensable link in the use of MCU, and the programmer is responsible for implementing this function. Usually users not only have programming requirements for a single MCU, they may use multiple MCUs in actual use. In response to this demand, combined with actual work experience, a design scheme of a universal MCU programmer is given. This article first introduces the design block diagram of the programmer, and then explains the hardware and software parts respectively. This solution uses STM32F103 as the main controller. On the basis of making full use of the main control resources, a dedicated driver IC is combined to achieve a relatively simple and convenient programming operation. Compared with the traditional general-purpose MCU programmer, it saves signal transfer board. The actual use proves that the programmer is stable and easy to use, and it is suitable for occasions where many different MCUs need to be programmed.

Key words: MCU, programmer, STM32F103