raulyrx的个人空间 http://www.edacn.net/?uid-70372 Copyright(C) raulyrx的个人空间 SupeSite/X-Space Fri, 05 Dec 2008 10:46:32 GMT [转论坛的帖子]发个今天的面试题,拿出来和大家探讨 http://www.edacn.net/?uid-70372-action-viewspace-itemid-51948
一个黑匣子，输入一位，输出一位，还有clk输入，设计黑匣子里面的电路：
输入的 blog raulyrx Mon, 11 Aug 2008 16:08:16 GMT SPI总线接口设计(2) http://www.edacn.net/?uid-70372-action-viewspace-itemid-51947 对SPI 总线的设计,

        首先要明确该接口的应用范围,有SPI接口的一般有mcu,a/d,flash,eerom等,对MCU而言一般MCU的SPI ...]]> blog raulyrx Mon, 11 Aug 2008 15:06:44 GMT project taped out successfully http://www.edacn.net/?uid-70372-action-viewspace-itemid-51427

Working hard for Six month, and the soc chip had been taped out successfully, In my spare time, I will post my project experience in this space next few days.

 I should ...]]> blog raulyrx Mon, 30 Jun 2008 18:04:52 GMT SPI总线(1) http://www.edacn.net/?uid-70372-action-viewspace-itemid-33032   芯片设计中流行的3种嵌入式低速串行总线为I2C,SPI,CAN总线.都是为在为数字设备之间传输数据,以实现最少的引脚,最优的速度,低成本,达到经济高效作用而开发的.

     I2C总线是philip在80年代开发的,成为了IC间的串行通信标准,采用简单...]]> blog raulyrx Sun, 06 Jan 2008 22:47:59 GMT 回顾我的2007 http://www.edacn.net/?uid-70372-action-viewspace-itemid-32619 在路上.........

                             &nb...]]> blog raulyrx Sun, 30 Dec 2007 08:48:02 GMT 嵌入式工程师的软硬件道路三步曲！ http://www.edacn.net/?uid-70372-action-viewspace-itemid-32333  
blograulyrxFri, 07 Dec 2007 21:00:56 GMT RISC MMU/CACHE 测试 http://www.edacn.net/?uid-70372-action-viewspace-itemid-31781 MMU Memeory manage unit

MMU 的功能是 translate Effective virtual  address to physical address for memory access

来源：嵌入式在线  作者：