lcd arm 中文意思是什麼

lcd arm 解釋
桌上型
  • lcd : LCD ＝ Liquid crystal diode [display]【無線電】液晶二極體，液晶顯示器。
  • arm : n 1 臂，【動物；動物學】前肢。2 【機械工程】（輪）輻；【電學】線擔，支路，支架。3 臂狀物；衣袖；...
  1. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  2. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。
  3. The task of realtime display on lcd and the complicated control arithmetic are implemented in this smps system, and a microcontroller with high resolution, high speed, high integration, large memory is necessary. in this paper, the design theory of s / h ware module which forms the smps control module and the design scheme is discussed in detail. in this system, the digital compute - control module is implemented with samsung ’ s high resolution, high integration, arm core microcontroller s3c44b0 and ad converter with 16bit resolution produced by ad company, ad7705. the ad7705 implements the data acquisition of the voltage and current feedback signal, and transfer the data to microcontroller through spi bus, which is implemented with s3c44b0 ’ s gpio, for computation and display

    本開關電源系統不僅完成lcd的實時顯示，還要完成復雜控制演算法，需要高速度、高精度、高集成度、大存儲空間的微控制器的支持。本文詳細的論述了構成電源控制模塊的各個軟硬體模塊的設計原理和設計方案。本系統提出了以samsung公司的高速度、高集成度的基於arm架構的微控制器s3c44b0與ad公司具有16位解析度的模數轉換器ad7705晶元構成數字採集運算控制模塊。
  4. The work process is that the gps subsystem receives gps data from gps satellites, disposes and sends them to the main control console ; the main control console matches gps position data with digital map and displays on the lcd of the system. if the system wants to communicate with the monitoring and dispatching center or user wants to communicate with others, the gsm / gprs subsystem can be used. the main control console consists of arm microprocessor, linux operating system and minigui

    系統的工作過程可描述為: gps子系統接收來自gps衛星的定位信息，處理后將定位信息傳送給主控平臺;主控平臺將實時定位信息與電子地圖匹配並通過直觀的方式顯示在系統的lcd上;如果車載導航系統需要與監控中心進行數據通信或者用戶需要和監控中心或第三方進行通信，則可通過主控平臺來控制gsm / gprs子系統來實現，通信方式包括簡訊息通信、語音通信、 gprs通信。
  5. Bsthd - i handset is specially developed for operating the tag by best technology company. it is made in 32bits arm processor. inside contains ucos operation system, 1mb byte user data, 128 x 64 lcd and 4 x 4 standard keyboard, so it can implement many custom - made function

    Bsthd - i手持儀是倍思得科技專門為移動便攜操作標簽而開發， bsthd - i手持儀採用了32位arm處理器，內嵌ucos操作系統， 1mb位元組用戶數據， 128x64液晶顯示， 4x4標準鍵盤，所以可以實現非常強大的業務功能定製。
  6. There are two innovations in the hardware system in currency sorter field. one of the innovations is that the powerful chip lpc2210 of arm series is applied on the test instrument for liquid crystal display module. and expand external memory ensure the large data volume because the ratio of small size tft - lcd and the quantity of test picture are increasing. because the powerful capabilities of processing datum of lpc2210, the test instrument is much faster and higher performance / price ratio than traditional test instrument and portable. the other one is the test instrument combine the

    本系統在該領域的創新點有兩點，一是將高性能arm核心晶元lpc2210應用到液晶顯示模塊測試系統中，並通過外部擴充存儲器，滿足了小尺寸tft面板在解析度不斷提高，測試畫面增加的情況下對測試系統大數據容量的需求。且由於arm系列晶元強大的數據處理能力，使得該測試系統相對傳統的測試機速度更快，性價比更高，且更加輕巧。
  7. The hardware design is expounded in chapter 3, which include four parts. then we focus on how to merge them together in chapter 4, that is, porting linux to mc9328mx1, this includes several parts, the first part is flashloader which can be used to download programs ; and then, give out develop model of start - up guide code ( bootloader ) which runs before linux kernel and linux kernel ' s start - up analysis, also porting them to arm9 mx1 ; thirdly, we realizes the porting of lcd framebuffer driver based on deeply grasped linux device driver model ; fourthly, the rootfs ( file system ) ? ? cramfs is designed. then we give an example that based on the embedded linux in chapter 5, what we call automobile navigation, and discuss how to develop with our arm linux to meet the need of application, too

    第一章回顧gps導航系統的發展狀況，指出課題研究背景及主要工作;第二章闡述嵌入式系統的概念、組成、開發流程及調試方法，構建車載導航系統開發平臺;第三章介紹導航系統的硬體設計，包括主控模塊、組合導航模塊、防盜通訊模塊和人機交互模塊四大部分;第四章詳細描述移植linux到mx1開發板的過程，包括:交叉編譯環境的建立、下載程序（ flashloader ）的實現、啟動引導加載代碼bootloader設計與移植、 linux內核的啟動分析及移植到硬體平臺的整個過程、 linux驅動模型的深入的分析及lcd幀緩沖顯示設備驅動的移植、根文件系統的構建等;第五章以嵌入式linux操作系統在車載導航中的應用為實例，介紹嵌入式系統軟體的設計與實現，通過論述gps車載導航系統中定位模塊的開發過程，探討了基於arm & linux平臺的應用開發。
  8. A practical test system of tft - lcd module based on the principle of tft - lcd module and arm chip is proposed, and the test system is controlled by software making the display and test of tft - lcd module come true

    通過軟體對tft - lcd模塊測試系統進行控制，實現了tft - lcd模塊的顯示與測試。論文所做的工作包括:一、對tft - lcd驅動原理進行闡述。
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