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BUS

In computer architecture, a bus is a subsystem that transfers data between computer components inside a computer or between computers. Early computer buses were literally parallel electrical buses with multiple connections, but the term is now used for any physical arrangement that provides the same logical functionality as a parallel electrical bus. Modern computer buses can use both parallel and bit-serial connections, and can be wired in either a multidrop (electrical parallel) or daisy chain topology, or connected by switched hubs, as in the case of USB.

Featured Article

USB I/O for the Embedded OEM

With the advent of the serial interconnect such as PCI Express and USB, the most obvious reaction and approach for designing new I/O has been to continue with just offering a connectorRead More...

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USB and StackableUSB: Enabling Efficiency and Scaling for Embedded Designs

Board-level system designers have benefited from Moore’s Law of exponential improvement in size, cost, density and speed over the years as processor boards have packed more horsepowerRead More...

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USB Offers Many Choices for Use in Embedded Systems

USB is not a peer-to-peer protocol like Ethernet. One USB device, called the USB host, acts as the master. Other USB devices, called USB devices or USB peripherals, act as slaves. TheRead More...

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Newest Embedded Technology Used by Industry Leaders

Industrial USB to Four RS-232, RS-422 and RS-485 Serial Communication Ports A new serial communication adapter offers users the choice of four field selectable RS-232, RS-422, orRead More...

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Industry Insider

COMIT Interface Standard for Next-Generation COM Products The Small Form Factor Special Interest Group (SFF-SIG), a collaboration of suppliers of embedded component, board and systemRead More...

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USB 3.0 Boosts Speed 10x, Broadens Embedded-Systems Applicability

USB has become the interface of choice for many PC and consumer products, having reached an installed base of more than six billion units and counting. It is the ubiquitousRead More...

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Latest Xeon Processors on New 6U cPCI Boards

One of the first product ranges to feature the quad core 2.13 GHz Intel Xeon processor L5518 or the dual core 2.0 GHz Intel Xeon processor L5508, is a new family of 6U CompactPCIRead More...

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Upgraded 2-Slot ATCA Backplane Has Shelf Manager Interface

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High-Speed, 256 GByte Rugged 3U VPX Solid State Drive

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Rugged 3U VPX SBC for Size-, Weight- and Power Constrained Applications

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Meeting the Demand for COTS Safe and Secure Certification Evidence

The demand for safety and security certification evidence for hardware and software in systems has increased dramatically in recent years. In the past, this evidence was developedRead More...

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6U FPGA-based VMEbus SBC Boasts Triple Redundancy

A 6U FPGA-based, triple-redundant 64-bit VMEbus SBC employs a lock-step architecture keeping software development at a minimum. With this redundant lock-step system that increasesRead More...

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Products & Technologies

NEMA 16-Channel Optically Isolated Input / Relay Output Modules Require No PC A pair of intelligent 16-channel wireless digital I/O units communicate directly with each other. EachRead More...

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Unmanaged, Low Power 12-Port, Gigabit Ethernet Switch Module

A rugged 12-port Gigabit Ethernet switch module is an extremely low-power, high-performance Ethernet switch. The H2 from North Atlantic Industries supports 16 Kbyte jumbo frames,Read More...

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And Not Even a Decent Funeral

With the recent surge in interest in all things vampire, either through the book and hit movie Twilight or the HBO series True Blood, this emphasis on the dead who continue to stalkRead More...

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Boosting ATCA Hardware Platform Management for Power Subsystems