键盘应用程序，对于粗学很有用途，望大家努力学习啊-Keyboard applications, for the very purpose of rough places, hope you study hard ah

关于arm处理器上电启动第一步工作的描述，本文粗略描述了ATMEL的9G20和三星的2440开发板的上电启动。可作为提示，然后对着自己开发板的datesheet进行详细比对。-Descr iption of the arm processor power to start the first step, a rough descr iption of ATMEL, 9G20 and Samsung' s 2440 development board on the electric star

stm32在IAR下开发的PLC底层程序可直接用三菱PLC软件操作(develop; open up; exploit; empolder develop; open up; exploit; empolder bottom; ground floor; first floor; basement; rough coat procedure; order; program; software; formality ut directum Mitsubishi software