DA算法中的使用的查找表模块，本程序先设计查找表，然后设计4*4DA算法模块，之后进行位扩展和字扩展得到32阶滤波器程序.附带4各表，和FIR滤波器序数-DA algorithm used in the lookup table module, the design of the program first look-up table, and then design 4* 4DA algorithm module, after the word-bit expansion and extens

查找英文文章中某单词的个数， 方便计算其个数-Find a word in English article number to facilitate the calculation of the number of

lcd驱动，显示，NT7108芯片，无字库模式，能够快速的查找所需显示的字，运用二分法查找(lcd driver, display, NT7108 chip, no font mode, can quickly find the word you want to display, the use of dichotomy to find)