AD8280鋰電子電池安全監控器是一款用于鋰離子電池組的純硬件安全監控器,有多個輸入可用來監控6個電池的電壓以及2個溫度傳感器。多個AD8280器件可以通過菊花鏈方式連接起來,以監控遠多于6個電池單元的電池組,而無需使用大量隔離器。其輸出可以配置為獨立或共用報警狀態。
上傳時間: 2013-11-02
上傳用戶:3到15
MC14489的輸入接口與MOTOROLA公司/RCA公司的SPI串行接口以及美國國半公司的MICROWIRE串行接口安全兼容,也可以由任意一種單片機的I/O口線來進行隨機的顯示訪問。
上傳時間: 2013-10-11
上傳用戶:qzhcao
基于對相關電力企業安全工器具的調研,針對現有的對安全工器具的管理比較落后,從而導致難以對安全工器具進行有效監控的問題,提出了一種簡單有效、容易實施的安全工器具監控方案。首先從整體上描述了安全工器具監控系統的總體結構,然后分別從硬件設計和軟件設計兩個方面對系統進行了詳細闡述。該系統已經成功運用于某電力企業的安全工器具監控,運行穩定,達到了設計的預期目的。
上傳時間: 2013-11-05
上傳用戶:blacklee
HIGH SPEED 8051 μC CORE - Pipe-lined Instruction Architecture; Executes 70% of Instructions in 1 or 2 System Clocks - Up to 25MIPS Throughput with 25MHz System Clock - 22 Vectored Interrupt Sources MEMORY - 4352 Bytes Internal Data RAM (256 + 4k) - 64k Bytes In-System Programmable FLASH Program Memory - External Parallel Data Memory Interface – up to 5Mbytes/sec DIGITAL PERIPHERALS - 64 Port I/O; All are 5V tolerant - Hardware SMBusTM (I2CTM Compatible), SPITM, and Two UART Serial Ports Available Concurrently - Programmable 16-bit Counter/Timer Array with 5 Capture/Compare Modules - 5 General Purpose 16-bit Counter/Timers - Dedicated Watch-Dog Timer; Bi-directional Reset CLOCK SOURCES - Internal Programmable Oscillator: 2-to-16MHz - External Oscillator: Crystal, RC, C, or Clock - Real-Time Clock Mode using Timer 3 or PCA SUPPLY VOLTAGE ........................ 2.7V to 3.6V - Typical Operating Current: 10mA @ 25MHz - Multiple Power Saving Sleep and Shutdown Modes 100-Pin TQFP (64-Pin Version Available) Temperature Range: –40°C to +85°C
標簽: C8051F020
上傳時間: 2013-10-12
上傳用戶:lalalal
針對目前汽車追尾事件頻發問題,提出一種防汽車車前和車后追尾的安全裝置設計。該設計以高性能、低功耗的8位AVR微處理器ATmega8L為核心,結合霍爾式車速傳感器、激光雷達測距裝置和MMA7260QT加速度傳感器,能夠兼顧車前和車后,摒棄以往設計中只考慮車前或車后單一性缺點,尤其適用于高速、夜晚或新手行車。 Abstract: Aiming at the high frequency of vehicle rear-end collision,a safe device design of anti-vehicle rear-end collision is presented.In the design,the high-performance,low-power8-bit AVR microprocessor ATmega8L is utilized as a core combined with Hall-type speed sensor,laser-radar ranging devices and the acceleration sensor MMA7260QT.The design considers both the front and back of a car,and overcomes the drawbacks of former designs in which only the front or the back of the car is considered,so it is especially suitable for high-speed,night or the beginner’s driving.
上傳時間: 2013-10-14
上傳用戶:GavinNeko
提出了一種基于C8051F320的列車安全巡檢儀的設計方案,詳細闡述了巡檢儀的各個模塊的硬、軟件設計。巡檢儀集信息采集、軸溫檢測、照明和記錄存儲等功能于一體,實現了對列車安全巡檢工作有效的監督和科學管理。系統軟件采用C51編寫,對單片機進行有效的電源管理,保證了巡檢儀的穩定性、可靠性和低功耗性。 Abstract: This paper puts forward a design of train safety inspection based on C8051F320,describes all modules hardware and software design of inspection instrument.The inspection instrument has the function of information collection, axle’s temperature detection, lighting and records storage.It can supervise and administer train safety inspection work effectively.The system software using C51 can manage the power of single chip microcomputer, and guarantee the stability, reliability and low power consumption of the inspection instrument.
上傳時間: 2013-12-22
上傳用戶:落花無痕
摘要:本文闡明了單片機在電力系統安全統計上的應用與設計方法。幾年來,通過一些單位的實際應用,已證實了使用單片機進行自動控制的優越性。 關鍵詞:單片機;自動控制;軟件
上傳時間: 2013-11-07
上傳用戶:wenyuoo
常用主板I/O芯片簡介
上傳時間: 2013-11-10
上傳用戶:yupw24
摘要: 本文在研究了網絡安全的國內外有關情況后對網絡安全技術進行了探討,介紹了一種簡單而實用的網絡安全產品,添補了這方面的空白,而且本文介紹的產品已經應用到了許多部門,為網絡安全做出了貢獻.關鍵詞: 網絡;安全;Internet;黑客;物理隔離;MT8870
上傳時間: 2013-11-20
上傳用戶:1318695663
〔摘要〕介紹了幾種通過單片機1/O口鍵盤擴展的方法。主要探討了幾種采用較少的1/O口實現較多按鍵的方法。〔關鍵詞〕單片機;1/O口;鍵盤擴展
上傳時間: 2013-10-31
上傳用戶:jkhjkh1982