基于單片機(jī)溫度監(jiān)測(cè)系統(tǒng)設(shè)計(jì)的外文翻譯-資料下載頁(yè)
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【正文】 ℃ when precision。 (3) programmable resolution for the 9 ~ 12, the corresponding can distinguish respectively ℃ , the temperature of ℃ and ℃ , by ℃ 。 (4) 12 resolution in most 750ms temperature into digital within。 (5) negative pressure characteristics: power at the polarity, thermometers won39。t because when heating and burned, but can39。t work normally. DS18B20 Appearance and internal structure: DS18B20 internal structure consists mainly of four parts: 64bit photolithography ROM, temperature sensors, nonvolatile temperature alarm triggers TH TL, configuration and registers. DS18B20 tube feet 第 7 頁(yè) arrangement is “ 13”， internal structure is“ 14” 13 DS18B20 tube feet arrangement (1) DQ for digital signal input/output terminal。 (2) GND for power。 (3) VDD for external power supplies input (in parasitic power connection mode grounding). 14 internal structure 3. Debug simulation Proteus is Labeenter electronics pany research UK EDA software. Proteus is not only the analog and digital circuit, d/a hybrid circuit design and simulation platform, but also is currently the world39。s most advanced, the most plete various types of micro controller system design and simulation platform. It 第 8 頁(yè) really realized plete on puter schematic design, from circuit analysis and simulation and singlechip microputer and grade debugging and simulation, code system test and functional verification of the PCB formation to plete the design and development process of electronic. Proteus product series also contains a revolutionary VSM technology based on micro control, can the design with all peripheral electronic device simulation together. First start Proteus and Proteus ponents from the library selection need drawing diagram and set ponent, the corresponding element parameter values . Keilc Keil Vision 2 is about the 8051 series MCU Keil pany of development tools can be used to pile C source code, assemblers source program, connection and relocation target files and libraries, gen built: documents, debugging purposes procedure, etc, it is a kind of integration of document management pile environment. It integrates document editing processing, pile connection, project management, window, tools cited and software copy true debugging and other functions, is pretty powerful development tool. In keil inside pile, the procedures required missioning . alignment (1) detection TCP/IP. (2) duplicate the Proteus installation directory vdm51. Who folder keilc/C51 / DLL to bin directory. (3) modify the installation directory Keil tools. TDRV4 = BIN, add the DLL. VDM51. \ (4) in the schematic drawing Proteus, in Debug menu, select Use Remote Debug hand . (5) in open in a project Keil, rightclick Target1, choose for Target 39。Target 139。. In the open dialog box select De bug TAB, select and use VSM Proteus Emulator simulation (figure 6 shows), click Ok plete Debug Settings. 6 graph 6 such Keil Proteus and is connected, the simulation results can be in Proteus or Keil. This circuit sys
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