This Reference Manual targets application developers. It provides complete information on how to use the STM32F101xx and ST32M103xx microcontroller memory and peripherals. The STM32F101xx and ST32M103xx will be referred to as STM32F10x throughout

good sorce for starting using microcontrollers

本参考手册为应用开发人员提供了关于如何使用STM8S微控制器开发的快速入门-This reference manual provides application developers with a quick start on how to use STM8S microcontrollers