STM32 CORTEX F10x系列的“RTC实时时钟模块”的测试程序，有助于快速入门全新的ARM12 32bit微控制器。提供性价比高的中高端实现方案。-STM32 CORTEX F10x series “RTC Real Time Clock module” test procedures, contribute to Quick Start new ARM12 32bit microcontrollers. Provide cost-effective implementation o