Amendment 1 - Quartz crystal units for frequency control and selection - Part 2: Guide to the use of quartz crystal units for frequency control and selection - Section One: Quartz crystal units for microprocessor clock supply
修改件1.频率控制和选择用石英晶体元件.第2部分:频率控制和选择用石英晶体元件的使用指南.第1节:微处理器时钟电源用石英晶体元件