National Instruments NI PXIe-8105 User Manual

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National Instruments NI PXIe-8105 User Manual Manual pdf 10 page image

Chapter 1 IntroductionNI PXIe-8105 User Manual 1-2 ni.comNot only are the trigger bus, 10 MHz system reference clock, and startrigger bus available in PXI retained by PXI Express, but new timing andsynchronization features that include a 100 MHz differential systemreference clock for the synchronization of multiple modules and threedifferential star trigger buses for the distribution of precise clock and triggersignals have been added. Differential timing and synchronization signalsprovide PXI Express systems with increased noise immunity and the abilityto transmit clock signals at higher frequencies.NI PXIe-8105DescriptionThe NI PXIe-8105 PXI Express/CompactPCI Express embedded computeris a high-performance PXI Express/CompactPCI Express-compatiblesystem controller. The NI PXIe-8105 controller integrates standard I/Ofeatures in a single unit by using state-of-the-art packaging. Combining anNI PXIe-8105 embedded controller with a PXI Express-compatiblechassis, such as the PXIe-1062Q, results in a fully PC-compatible computerin a compact, rugged package.The standard I/O on each module includes DVI-I video, one RS-232 serialport, a parallel port, four high-speed USB 2.0 ports, a PCI-based GPIBcontroller, Gigabit Ethernet, a reset button, and a PXI trigger.The NI PXIe-8105 has an Intel Core Duo processor T2500(Dual Core 2.0 GHz), 667 MHz FSB, all the standard I/O, and a 60 GB(or larger) hard drive. It also has an ExpressCard/34 expansion slot.Functional OverviewThis section contains functional descriptions of each major logic block onthe NI PXIe-8105 embedded computer.NI PXIe-8105 Functional DescriptionThe NI PXIe-8105 is a modular PC in a PXI Express 3U-size form factor.Figure 1-1 is a functional block diagram of the NI PXIe-8105.Following the diagram is a description of each logic block shown.