Arm System Developer s Guide是一本非常好的英文原版书。 是本人在电驴上拉的。-Arm System Developer' s Guide is a very good book in English. Yes, I pull the electric donkey.

三本关于嵌入式的英文原版电子书，不管是嵌入式的初学者还是深入学习都会有很大的帮助。《Embedded system design》《Real_Time_Concepts_for_Embedded_Systems》《Embedded_Systems_building_blocks》-three ebooks in English on embedded system whether for junior or senior , they help a lot. They are 《Embedded

设计数字电路和CPU的教程，使用VHDL语言。国外牛人写的书，很强大，很详细，英文原版电子书。-Digital.Logic.And.Microprocessor.Design.With.VHDL

AT24C04的英文原版，采用此类芯片可以解决掉电数据保存问题，并可多次擦写。-AT24C04 the English original, the use of such chips can solve the problem of power-down data storage, and multiple flash.