2 . quick check and verify for address decoding or data transceiver circuits , which designed 2 .可快速驗(yàn)證cv - 16解碼電路之8bit或16bit資料讀寫(xiě)值是否正確
The main circuit adopt boost converter topology ; the control circuit is made up of adsp - 21065l core processor , a / d converter and cpld which realize the functions of digital pulse width modulation ( dpwm ) and address decoding ; the auxiliary power supply afford work voltage of every device 。 st變換器拓?fù)浣Y(jié)構(gòu);控制電路主要由核處理器adsp 、 21065l 、 al3轉(zhuǎn)換器和實(shí)現(xiàn)dpwm及地址解碼功能的cpld等器件組成;輔助電源電路為控制電路中各器件提供工作電壓。
It emphatically describes address decoding circuit and controling circuit of fpga in hardware , and describes dma transmission mode and disposing of the interrupt in driver , and describes how to get data from wav file , and how to organize data before transmition , and how to chose appropriate quantity of data transmition every time in application 著重闡述了硬件設(shè)計(jì)中fpga內(nèi)部重要的譯碼及控制電路設(shè)計(jì),驅(qū)動(dòng)程序中dma ( directmemoryaccess )的傳輸及中斷處理,應(yīng)用程序中對(duì)于兩個(gè)聲音文件數(shù)據(jù)的正確獲取、組合及分割等問(wèn)題。