cpu chip circuit 中文意思是什麼
cpu chip circuit
解釋
中央處理器晶元電路-
This paper presents the logic circuit design of ccu for lx - 1164 cpu chip, for ccu, data and instructions are stored in separate data and instruction caches
本人有幸在夏宏博士的指導下參加這一工程，承擔lx ? 1164cpu的高速緩存控制器（ ccu ）的邏輯設計和功能模擬。 -
It includes chip selection, schematic circuit design, cpu selection and configuration, startup of the system, selection and configuration of embedded operation system, selection and configuration of tcp / ip software. it also describes some driver programming techniques of network controller. part 3 ( chapter 5 and 6 ) briefly introduces encryption technology and the ipsec protocol system, including architecture, mode, security association, security policy, implementation mode, processing of in / out packet, esp ( encapsulation security payload ), ah ( authentication header ), ike ( internet key exchange ) etc. the security requirements of embedded - networking is also analyzed
本文首先探討了嵌入式網路的原理和設計要求，接著介紹了本文所開發的嵌入式系統的硬體平臺的設計（包括處理器的選擇與配置、存儲器的選擇和io設備的選用等） ，系統的啟動（包括bios和dos的啟動以及嵌入式操作系統vrtx的配置和引導） ，網路及其安全服務的實現（包括嵌入式協議棧usnet的選取、底層驅動程序的設計和安全協議ipsec的分析與實施） 。 -
It sends digital signals based on dmx512. pci bus is the data - transporting media between cpu and single - chip computer. at present, there are several kinds of schemes for the pci bus and the peripheral circuit
（ 2 ）設計以pci總線為cpu和負責處理dmx512仂，議數據的單片機之間數據傳輸媒介的數據通訊卡，研究pci總線的有關特點，比較各種pci介面方案的優缺點，結合實際選出一種切實可行的方案。 -
The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique. the hardware is composed of single - chip microcomputer module and electrochemical module. the single - chip microcomputer module can be divided into five parts, cpu circuit, a / d and d / a circuit, peripheral memory circuit, i / o interface circuit, distributing address circuit ; the electrochemical module is made up of potentiostatic circuit, galvanostatic circuit, potentiostatic - galvanostatic ( p - g ) conversion circuit, signal measuring circuit. the software of the meter is edited by c51 language, it is well - structured and module. all program modules have been linked into an executable files after compiled separately, then copy to eprom
恆電位控制下的恆電量智能化腐蝕監測儀採用基於mcs - 51單片機技術的智能化設計，儀器硬體由單片機系統模塊和電化學介面模塊組成，單片機系統模塊包括cpu電路，片外存貯器擴展電路，模數和數模（ a d和d a ）電路，輸入輸出（ i o ）介面電路，地址分配電路，各電路模塊通過系統總線交換信息；電化學介面模塊主要由恆電位電路，恆電流電路，恆電位-恆電流（ p - g ）轉換電路，信號放大與採集電路組成。 -
In this paper, we briefly introduced the performance of wave coding and vocoder, emphasizedly studied the principle and performance of variable rate vocoder q4401, including the internal construction and pins, qcelp coder & vocoder, pcm interface, cpu interface initialization process, command format and so on. we also designed a application circuit, with the experiment validated its performance. in this design, the pcm interface chip is tp3057, it was used to finish a / d transform, the compress coding was finished by q4401, the initialization and control were accomplished by 8051 singlechip
重點是研究變速率語音編解碼晶元q4401的工作原理及性能。其中包括q4401的內部結構及管腳、 qcelp編碼方式、 pcm介面、 cpu介面、初始化過程、命令格式等，並在此基礎上，設計一個實際的應用電路，通過實驗，驗證其性能。在設計中用pcm介面晶元tp3057來完成從模擬信號到數字信號的轉換，再由q4401進行壓縮編碼，對q4401的初始化及控制由8051單片機來完成。
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