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Encyclopedia > Bus analyzer
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A bus analyzer is a computer bus analyzation tool, often a combination of hardware and software, used during development of device drivers for a specific bus and for reverse engineering of devices by reading and interpreting bus traffic. It is essentially a logic analyzer with some additional knowledge of the underlying bus traffic characteristics. In computer architecture, a bus is a subsystem that transfers data or power between computer components inside a computer or between computers. ... Hardware is equipment such as fasteners, keys, locks, hinges, latches, corners, handles, wire, chains, plumbing supplies, tools, utensils, cutlery and machine parts, especially when they are made of metal. ... Computer software (or simply software) refers to one or more computer programs and data held in the storage of a computer for some purpose. ... A device driver, often called a driver for short, is a computer program that enables another program, typically, an operating system (OS) (e. ... Reverse engineering (RE) is the process of taking something (a device, an electrical component, a software program, etc. ... A logic analyzer captures digital data from a digital system and presents it to a user so that the user can locate failure of the digital system. ...


See also

JTAG, an initialism for Joint Test Action Group, is the usual name used for the IEEE 1149. ... Jump to: navigation, search Packet sniffers (also known as Network Analyzers or Ethernet Sniffers) are software programs which can see and/or log traffic passing over a network or part of a network. ...

External links

  • PCI analyzers:
    • Corelis
  • USB analyzers:
    • Ellisys USB Tracker 110 for USB 1.1 and USB Explorer 200 for USB 2.0

  Results from FactBites:
 
busTRACE vs. hardware bus analyzers - product comparison (903 words)
A hardware analyzer provides you the ability to capture the actual physical communications that occur on the bus; for example the handshaking that occurs between the host and target.
Hardware bus analyzers do not have any such restrictions and can be run independent of the OS you are using.
For those cases where low-level bus analysis is required, such as during initial product development, they would turn to a hardware bus analyzer.
Embedded Technology.com News for computer design professionals (2554 words)
For software and system integration issues, debugging the PCI bus on a clock-by-clock basis is not productive, the user would have to spend time on understanding the bus protocol rather than investigating the actual problem.
One such mode is called Transfer Mode, in which the analyzer hides details about the PCI bus protocol for the user, and avoids sampling during idle or wait states.
This is done by means of protocol-sensitive bus sampling, de-multiplexing of address/data (for 32-bit data transfers), internally generated utility signals for burst detection etc., and extensive use of mnemonics.
  More results at FactBites »


 

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