提出了一種以ARM微處理器為控制核心的遠程無線視頻監控終端的設計方案，其監控終端的硬件設計包括視頻采集處理、中央管理控制、無線傳輸3個模塊。并給出了監控終端的軟件開發平臺和開發模式的系統啟動代碼、嵌入式Linux系統移植以及驅動程序和應用程序。測試結果表明，該監控終端設計方案合理、有效，基本滿足監控需求。 Abstract: A remote wireless video monitoring terminal design， which uses ARM microprocessor as its core control， is proposed in this paper.The hardware design of monitoring terminal system is composed of the video acquisition and processing module， the central management and control module， wireless transmission module.Meanwhile the monitoring terminal-s software development platform and development patterns are designed. Also the design of the system-s start codes， embedded Linux system-s transplantation process， driver and the corresponding applications are given. The results showed that the monitoring terminal design is reasonable， effective， basically meet monitoring requirements.
上傳時間： 2013-11-13
上傳用戶：wanqunsheng
上傳時間： 2013-10-08
上傳用戶：shinesyh
以SoC軟硬件協同設計方法學及驗證方法學為指導，系統介紹了以ARM9為核心的AFDX-ES SoC設計過程中，軟硬件協同設計和驗證平臺的構建過程及具體實施。應用實踐表明該平臺具有良好的實用價值。
上傳時間： 2014-12-30
上傳用戶：huangld
上傳時間： 2014-12-30
上傳用戶：gy592333
The NXP LPC314x combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2.0OTG, 192 KB SRAM, NAND flash controller, flexible external bus interface, three channel10-bit A/D, and a myriad of serial and parallel interfaces in a single chip targeted atconsumer, industrial, medical, and communication markets. To optimize system powerconsumption, the LPC314x have multiple power domains and a very flexible ClockGeneration Unit (CGU) that provides dynamic clock gating and scaling.
上傳時間： 2013-10-11
上傳用戶：yuchunhai1990
設計了一套集音視頻采集、環境數據采集于一體的機場導航站綜合監控系統的前端采集裝置。采用ARM處理器S3C2410和GO7007SB芯片設計了嵌入式音視頻壓縮主板，可將音視頻數據采集、壓縮、打包為MPEG4碼流后，通過以太網上傳到監控中心管理軟件。環境采集卡采集的數據可以通過音視頻采集主板實現透明傳輸，采用GM8125實現串口擴展后可接入5條RS485總線，同時采集上百個底層監測設備，具有較強靈活性和負載能力。
上傳時間： 2013-10-26
上傳用戶：海陸空653
The LPC1850/30/20/10 are ARM Cortex-M3 based microcontrollers for embeddedapplications. The ARM Cortex-M3 is a next generation core that offers systemenhancements such as low power consumption, enhanced debug features, and a highlevel of support block integration.The LPC1850/30/20/10 operate at CPU frequencies of up to 150 MHz. The ARMCortex-M3 CPU incorporates a 3-stage pipeline and uses a Harvard architecture withseparate local instruction and data buses as well as a third bus for peripherals. The ARMCortex-M3 CPU also includes an internal prefetch unit that supports speculativebranching.The LPC1850/30/20/10 include up to 200 kB of on-chip SRAM data memory, a quad SPIFlash Interface (SPIFI), a State Configuration Timer (SCT) subsystem, two High-speedUSB controllers, Ethernet, LCD, an external memory controller, and multiple digital andanalog peripherals.
上傳時間： 2014-12-31
上傳用戶：zhuoying119
上傳時間： 2013-11-16
上傳用戶：aix008
對于如何從MIFARE Classic卡片升級到PLUS CPU 卡片在“MIFARE S50、S70升級PLUS CPU卡方案”文檔中已有詳細說明，那么原來使用的PLUS CPU卡片如何進行升級了？帶著這個問題，我們將與您共同探討，后面的內容將向您提供一種完美、可靠、易用的解決方案，謝謝您的關注與支持！
上傳時間： 2014-12-31
上傳用戶：VRMMO
This errata sheet describes both the known functional problems and anydeviations from the electrical specifications known at the release date ofthis document.Each deviation is assigned a number and its history is tracked in a table atthe end of the document.
上傳時間： 2013-11-22
上傳用戶：liangliang123
