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Multiple-Output

  • PCA9544A 4channel I2C multiple

    The PCA9544A provides 4 interrupt inputs, one for each channeland one open drain interrupt output. When an interrupt is generated byany device, it will be detected by the PCA9544A and the interruptoutput will be driven LOW. The channel need not be active fordetection of the interrupt. A bit is also set in the control byte.Bits 4 – 7 of the control byte correspond to channels 0 – 3 of thePCA9544A, respectively. Therefore, if an interrupt is generated byany device connected to channel 2, the state of the interrupt inputs isloaded into the control register when a read is accomplished.Likewise, an interrupt on any device connected to channel 0 wouldcause bit 4 of the control register to be set on the read. The mastercan then address the PCA9544A and read the contents of thecontrol byte to determine which channel contains the devicegenerating the interrupt. The master can then reconfigure thePCA9544A to select this channel, and locate the device generatingthe interrupt and clear it. The interrupt clears when the deviceoriginating the interrupt clears.

    標簽: 4channel multiple 9544A 9544

    上傳時間: 2014-12-28

    上傳用戶:潛水的三貢

  • XAPP740利用AXI互聯設計高性能視頻系統

    This application note covers the design considerations of a system using the performance features of the LogiCORE™ IP Advanced eXtensible Interface (AXI) Interconnect core. The design focuses on high system throughput through the AXI Interconnect core with F MAX  and area optimizations in certain portions of the design. The design uses five AXI video direct memory access (VDMA) engines to simultaneously move 10 streams (five transmit video streams and five receive video streams), each in 1920 x 1080p format, 60 Hz refresh rate, and up to 32 data bits per pixel. Each VDMA is driven from a video test pattern generator (TPG) with a video timing controller (VTC) block to set up the necessary video timing signals. Data read by each AXI VDMA is sent to a common on-screen display (OSD) core capable of multiplexing or overlaying multiple video streams to a single output video stream. The output of the OSD core drives the DVI video display interface on the board. Performance monitor blocks are added to capture performance data. All 10 video streams moved by the AXI VDMA blocks are buffered through a shared DDR3 SDRAM memory and are controlled by a MicroBlaze™ processor. The reference system is targeted for the Virtex-6 XC6VLX240TFF1156-1 FPGA on the Xilinx® ML605 Rev D evaluation board

    標簽: XAPP 740 AXI 互聯

    上傳時間: 2013-11-14

    上傳用戶:fdmpy

  • 多遠程二極管溫度傳感器 (Design Considerat

    多遠程二極管溫度傳感器-Design Considerations for pc thermal management Multiple RDTS (remote diode temperature sensing) provides the most accurate method of sensing an IC’s junction temperature. It overcomes thermal gradient and placement issues encountered when trying to place external sensors. PCB component count decreases when using a device that provides multiple inputs.Better temperature sensing improves product performance and reliability. Disk drive data integrity suffers at elevated temperatures. IBM published an article stating that a 5°C rise in operating temperature causes a 15% increase in the drive’s failure rate. The overall performance of a system can be improved by providing a more accurate temperature measurement of the most critical devices allowing them to run just a few degrees hotter.The LM83 directly senses its own temperature and the temperature of three external PN junctions. One is dedicated to the CPU of choice, the other two go to other parts of your system that need thermal monitoring such as the disk drive or graphics chip. The SMBus-compatible LM83 supports SMBus timeout and logic levels. The LM83 has two interrupt outputs; one for user-programmable limits and WATCHDOG capability (INT), the other is a Critical Temperature Alarm output (T_CRIT_A) for system power supply shutdown.

    標簽: Considerat Design 遠程 二極管

    上傳時間: 2014-12-21

    上傳用戶:ljd123456

  • NCV7356單線CANBUS收發器數據手冊

    The NCV7356 is a physical layer device for a single wire data linkcapable of operating with various Carrier Sense Multiple Accesswith Collision Resolution (CSMA/CR) protocols such as the BoschController Area Network (CAN) version 2.0. This serial data linknetwork is intended for use in applications where high data rate is notrequired and a lower data rate can achieve cost reductions in both thephysical media components and in the microprocessor and/ordedicated logic devices which use the network.The network shall be able to operate in either the normal data ratemode or a high-speed data download mode for assembly line andservice data transfer operations. The high-speed mode is onlyintended to be operational when the bus is attached to an off-boardservice node. This node shall provide temporary bus electrical loadswhich facilitate higher speed operation. Such temporary loads shouldbe removed when not performing download operations.The bit rate for normal communications is typically 33 kbit/s, forhigh-speed transmissions like described above a typical bit rate of83 kbit/s is recommended. The NCV7356 features undervoltagelockout, timeout for faulty blocked input signals, output blankingtime in case of bus ringing and a very low sleep mode current.

    標簽: CANBUS 7356 NCV 單線

    上傳時間: 2013-10-24

    上傳用戶:s藍莓汁

  • XAPP740利用AXI互聯設計高性能視頻系統

    This application note covers the design considerations of a system using the performance features of the LogiCORE™ IP Advanced eXtensible Interface (AXI) Interconnect core. The design focuses on high system throughput through the AXI Interconnect core with F MAX  and area optimizations in certain portions of the design. The design uses five AXI video direct memory access (VDMA) engines to simultaneously move 10 streams (five transmit video streams and five receive video streams), each in 1920 x 1080p format, 60 Hz refresh rate, and up to 32 data bits per pixel. Each VDMA is driven from a video test pattern generator (TPG) with a video timing controller (VTC) block to set up the necessary video timing signals. Data read by each AXI VDMA is sent to a common on-screen display (OSD) core capable of multiplexing or overlaying multiple video streams to a single output video stream. The output of the OSD core drives the DVI video display interface on the board. Performance monitor blocks are added to capture performance data. All 10 video streams moved by the AXI VDMA blocks are buffered through a shared DDR3 SDRAM memory and are controlled by a MicroBlaze™ processor. The reference system is targeted for the Virtex-6 XC6VLX240TFF1156-1 FPGA on the Xilinx® ML605 Rev D evaluation board

    標簽: XAPP 740 AXI 互聯

    上傳時間: 2013-11-23

    上傳用戶:shen_dafa

  • 基于Multisim 10的矩形波信號發生器仿真與實現

    在Multisim 10軟件環境下,設計一種由運算放大器構成的精確可控矩形波信號發生器,結合系統電路原理圖重點闡述了各參數指標的實現與測試方法。通過改變RC電路的電容充、放電路徑和時間常數實現了占空比和頻率的調節,通過多路開關投入不同數值的電容實現了頻段的調節,通過電壓取樣和同相放大電路實現了輸出電壓幅值的調節并提高了電路的帶負載能力,可作為頻率和幅值可調的方波信號發生器。Multisim 10仿真分析及應用電路測試結果表明,電路性能指標達到了設計要求。 Abstract:  Based on Multisim 10, this paper designed a kind of rectangular-wave signal generator which could be controlled exactly composed of operational amplifier, the key point was how to implement and test the parameter indicators based on the circuit diagram. The duty and the frequency were adjusted by changing the time constant and the way of charging and discharging of the capacitor, the width of frequency was adjusted by using different capacitors provided with multiple switch, the amplitude of output voltage was adjusted by sampling voltage and using in-phase amplifier circuit,the ability of driving loads was raised, the circuit can be used as squarewave signal generator whose frequency and amplitude can be adjusted. The final simulation results of Multisim 10 and the tests of applicable circuit show that the performance indicators of the circuit meets the design requirements.

    標簽: Multisim 矩形波 信號發生器 仿真

    上傳時間: 2014-01-21

    上傳用戶:shen007yue

  • Award BIOS(Basic Input/Output System)(電腦啟動時所必需)的源碼

    Award BIOS(Basic Input/Output System)(電腦啟動時所必需)的源碼

    標簽: Output System Award Basic

    上傳時間: 2014-01-04

    上傳用戶:ecooo

  • 設計一個四路數據選擇器,其功能是將四組不同的數據按要求選擇一個輸出.輸出的那組數據有兩個控制信號決定,其真值表如下: 數據選擇控制端 輸出的數據 Input0 Input1 output 0 0 o

    設計一個四路數據選擇器,其功能是將四組不同的數據按要求選擇一個輸出.輸出的那組數據有兩個控制信號決定,其真值表如下: 數據選擇控制端 輸出的數據 Input0 Input1 output 0 0 output0 0 1 output1 1 0 output 2 1 1 output 3

    標簽: Input0 Input1 output 數據

    上傳時間: 2015-01-08

    上傳用戶:6546544

  • Complete support for EBNF notation; Object-oriented parser design; C++ output; Deterministic bottom-

    Complete support for EBNF notation; Object-oriented parser design; C++ output; Deterministic bottom-up "shift-reduce" parsing; SLR(1), LALR(1) and LR(1) table construction methods; Automatic parse tree creation; Possibility to output parse tree in XML format; Verbose conflict diagnostics; Generation of tree traverse procedures

    標簽: Object-oriented Deterministic Complete notation

    上傳時間: 2014-11-29

    上傳用戶:kr770906

  • Displaying Multiple Views in IE

    Displaying Multiple Views in IE

    標簽: Displaying Multiple Views IE

    上傳時間: 2013-12-07

    上傳用戶:努力努力再努力

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