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Topic: XScale

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	Intel XScale - Wikipedia, the free encyclopedia
		The XScale, a microprocessor core, is Intel's implementation of the 5th generation of the ARM architecture.
		All the generations of XScale are 32-bit ARM v5TE processors manufactured with a 0.18 µm process and have a 32 KiB data cache and a 32 KiB instruction cache (this would be called a 64 KiB Level 1 cache on other processors).
		XScale microprocessors can be found in products such as the popular RIM BlackBerry handheld, the Dell Axim family of Pocket PCs, most of the Zire, Treo and Tungsten Handheld lines by Palm, later versions of the Sharp Zaurus, the Motorola A780, the Acer n50, the Compaq iPaq 3900 series and many other PDAs.
	en.wikipedia.org /wiki/XScale (1297 words)

	BDTI — Intel PXA255 and PXA26x
		The XScale architecture was introduced by Intel in 2000 and is a descendant of the Intel StrongARM core.
		XScale is capable of processing 8-, 16-, and 32-bit integer data in a traditional RISC single-instruction, single-data fashion, and 16-bit integer data types in a SIMD fashion.
		XScale supports “double-saturating” versions of these instructions that left-shift one source operand by one (which removes the extra sign bit generated by multiplying two fractional values), saturate the left-shifted value, and then add/subtract this result to/from the other source operand.
	www.bdti.com /procsum/pxa255.htm (1128 words)

	XScale - Wikipedia
		XScale ist Intels Implementation der fünften Generation der ARM-Architektur basierend auf dem ARM-v5TE Befehlssatz ohne Gleitkomma-Befehle.
		Der später kreierte Begriff XScale beschreibt nichts anderes als Intels Weiterführung von Prozessoren und Controllern der ARM-Linie.
		Mit XScale Prozessoren sind derzeit auf direktem Weg bis zu 128 MB des von Intel speziell für den mobilen Einsatz entwickelten StrataFlash Speichers adressierbar.
	de.wikipedia.org /wiki/XScale (744 words)

	ESM - Intel scales up StrongARM with new XScale platform
		Discussed here at last week's Intel Developer Forum, XScale is scalable to 1 GHz at 1.5 W of power consumption, and features dynamic voltage management, or what Intel describes as a unique feature that allows the processor to shift clock rate, voltage, and power dissipation on the fly.
		In a typical handheld application, for example, XScale could operate at 50 MHz and 0.5-V operation with only 10-mW power dissipation in sleep mode, and then ramp to higher performance when computationally intensive functions must be performed.
		Specifically, Intel said the combination of the XScale and Frio will be the best architecture available as the cell-phone market moves to data-intensive services designed for the 2.5G and 3G wireless standards.
	www.ebnonline.com /printableArticle.jhtml?articleID=2908957 (906 words)

	Dave's PDA Place - Special Features: XScale
		Intel's XScale is their second generation of ARM based processors.
		The XScale processor is an extremely economical chip, using sometimes as little as half the power as similar StrongARM chips.
		XScale will also bring fast processors to your device (or should I say new device since your processor is not upgradeable).
	www.davespda.com /features/xscale.htm (644 words)

	XScale tips the power to Pocket PCs \| Tech News on ZDNet
		Intel began shipping XScale prototype devices to manufacturers this spring, and the first handheld computers using the chips are expected to appear on the market as early as June.
		Toshiba is also planning to release an XScale handheld in June, and this is likely to be the e740, details of which have already been leaked by resellers.
		The e550G may be the first XScale Pocket PC device available, as it is expected to ship at the end of May or in early June.
	zdnet.com.com /2100-1103-929024.html (824 words)

	PC World - Intel Readying New XScale Chip for Cell Phones
		Intel is preparing to strengthen its XScale processor lineup for cellular and smart phones later this year with the launch of a next-generation processor, code-named Manitoba, according to company executives interviewed at the Computex Taipei 2002 show.
		Earlier versions of the XScale processor came in two main types: the PXA250, aimed at high-end PDAs, and the PXA210, aimed at mobile phones and entry-level PDAs.
		XScale processor technology has been chosen to power a handful of new wireless monitors being cooked up by hardware makers to take advantage of Microsoft's Mira technologies.
	www.pcworld.com /news/article/0,aid,101624,00.asp (876 words)

	AnandTech: IDF Fall 2000 Day 2 (Site not responding. Last check: 2007-11-01)
		XScale microarchitecture promises to bring a whole new world to these devices, as the beta silicon demonstrated was able to show not only extreme speed but also very low power consumption.
		The beta XScale core demonstrated, based on a.18 micron architecture, was able to run at a mere.055 watts at a speed of 50 MHz.
		Sure, the XScale technology is NOT target for notebook solutions by any means, but with the line between notebooks and hand helds becoming less and less defined it only seems logical that the issues with the two systems must be related.
	www.anandtech.com /showdoc.html?i=1306 (795 words)

	XSCALE Input Parameters
		XSCALE issues a warning message if the reindexing transformation implies a change of hand (negative determinant).
		Note, that the reflection indices of the reference data set are not affected by a reindexing of the input reflection files.
		Typically, the parameter value is chosen as the total rotation range covered by the input data set divided by 2.5...5 degrees, but should not exceed a value of 36 to avoid overfitting.
	www.esrf.fr /exp_facilities/px_soft/XDS_html_doc/xscale_parameters.html (1684 words)

	MontaVista Software - Platform to Innovate
		XScale application developers will benefit from such enhancements which include performance tuning, reduced memory footprint and device interfaces.
		XScale is a powerful processor in a cost-effective, power efficient integration, targeted at applications in mobile telephony, personal connectivity, handheld PCs, wireless video, and network infrastructure devices like routers and switches.
		Unique to XScale is its ability to ratchet its power consumption up and down to suit different computing loads and conserve battery life on handheld devices.
	www.mvista.com /news/2001/xscale.html (629 words)

	CRN \| Intel Says XScale Brings Handhelds
		XScale also will incorporate packet-switched data, currently being used in Japan's iMode connections.
		XScale was unveiled six months ago at Intel's Developer Conference.
		XScale's dependence on silicon concerns analysts who have been waiting for Bluetooth to overcome silicon shortages.
	www.crn.com /sections/news/top_news.asp?ArticleID=23770 (353 words)

	Linux PR: MontaVista Delivers Embedded Hard Hat Linux for Intel XScale Platform
		XScale application developers will benefit from these enhancements, which include per-formance tuning, reduced memory footprint and integrated device interfaces.
		XScale is a powerful processor featuring cost-effective, power-efficient integration, targeted for applications in mobile telephony, personal connectivity, wireless video and handheld PCs, as well as for network infrastructure devices such as routers, switches and network attached storage.
		Unique to XScale is its ability to ratchet its power consumption up and down to suit different computing loads and thus conserve battery life on handheld devices.
	www.linuxpr.com /releases/4102.html (627 words)

	Intel XScale Technology
		The new processors are based on the Intel XScale technology and will power multimedia cell phones, handheld computers, in-vehicle (telematics) systems and other wireless Internet products.
		The added performance and power savings from the new Intel processors come at a time when significant amounts of data are beginning to be processed on wireless devices.
		Building on Intel StrongARM technology, the Intel XScale microarchitecture core was engineered to improve the performance of a wide variety of wireless Internet devices as well as powering networking infrastructure equipment.
	www.pdacortex.com /intel_xscale_technology.htm (949 words)

	XScale: Hit or Hype?
		If the data is in the CPU cache, then a 400MHz XScale would indeed perform faster than a 206MHz StrongARM, because we're talking about the CPU "talking to itself,", not involving the data bus or system RAM at all.
		The StrongARM CPUs use ARM4, the XScale uses ARM5 (the StrongARM CPUs are considered ARM 9 CPUs, not to be confused with the version of the ARM core they use, the XScales are ARM 10; this stuff gets hairy after a while).
		I still haven't been able to get anyone to answer definitively if the XScale devices do this on their own, of if the OS and applications have to be specially written to take advantage of this feature.
	www.writingonyourpalm.net /column020624.htm (1478 words)

	UPDATE: Intel ups the ante with XScale PDA chips
		Both chips are based on a core from chip design house ARM Ltd., and are expected to be available in devices by the middle of this year, Intel said.
		The XScale chips are built using the 0.18-micron manufacturing progress, which means they can be built in any of Intel's plants that make processors of the same size, including some of its Pentium III and Pentium 4 families.
		Both of the two new XScale processors also include support for a "turbo mode" feature which lets them change clock speed on the fly to preserve battery power, Rogers said.
	www.itworld.com /Comp/2076/020211intelxscale/search.html (765 words)

	Intel adds Wi-Fi to mobile chips - ZDNet UK News (Site not responding. Last check: 2007-11-01)
		Chipmaker Intel is altering the specifications of its XScale processors so that handheld devices will be better able to incorporate additional features, such as Wi-Fi connectivity and integrated cameras.
		Intel said on Monday that it is providing device makers with samples of two new chips, the XScale PXA263 and PXA260, and products using the processors will be available later this year.
		Intel is also looking to extend the reach of its XScale chips from handhelds to wireless smart displays and portable media players.
	news.zdnet.co.uk /hardware/chips/0,39020354,2132427,00.htm (579 words)

	Intel XScale tools, boards, PXA270, PXA255, IXP425
		Our solutions are locally validated to work out of the box on XScale, offer support for the full XScale instruction set including Intel extensions to the ARMv5TE standard, and do not treat XScale as a generic ARM processor.
		MAJIC-MX is especially designed for XScale devices, and as such is able to access the XScale's Intel on-chip trace capability.
		TRITON, from XScale specialists KaRo Engineering, is a range of XScale modules, ingeniously implemented on a board smaller than a credit card, and ready to be designed into your embedded system.
	www.directinsight.co.uk /microcontroller/xscale.html (1021 words)

	XSCALE (Site not responding. Last check: 2007-11-01)
		This file is mandatory and must reside in the current directory from which XSCALE is called.
		The three separate output files (ip.ahkl, pk.ahkl, rm.ahkl) thus obtained from XSCALE contain reflection intensities that can be converted to structure factors by the program xdsconv.
		The first line specifies that up to 8 cpu's may be employed by the parallel version of xscale.
	www.mpimf-heidelberg.mpg.de /~kabsch/xds/xscale_program.html (702 words)

	Intel: Software makers can speed XScale \| Tech News on ZDNet
		Microsoft did say it is working with hardware vendors to make some minor tweaks to Pocket PC for XScale, but did not expect this to substantially improve performance.
		Intel, however, says that it will be a simple matter for software makers to release new versions of their software optimized for XScale, without needing optimised Pocket PC software and without running the risk of fragmenting their software.
		The optimizations are specific to XScale and not to ARM V5, he said.
	zdnet.com.com /2100-1103-940329.html (843 words)

	RealView Dev Kit for Intel XScale
		XScale™ Technology-Based Processors offers hardware and software developers a fully integrated solution with code generation and unparalleled debug capability enabling the development of high performance high quality products in the shortest possible time.
		The ARM RealView Developer Kit for Intel XScale Technology-Based Processors has been supplied with a Multi-ICE unit designed to draw its power from the JTAG connector (pin 2 Vsupply) of a target board.
		In the event of a connection to an Intel XScale board where the Vsupply pin is not connected or can not deliver sufficient power, an external power supply can be connected.
	www.arm.com /products/DevTools/RealViewXScaleDevKit.html (332 words)

	XScale allowing Intel to StrongARM into Palm handhelds \| CNET News.com
		But XScale, he says, would be a good choice for a personal digital assistant.
		Both XScale and its StrongARM predecessors make use of the ARM instruction set, but Intel has redesigned the processor to offer far more power than standard ARM designs.
		While Hitachi and IBM also offer good low-power chips, Glaskowsky said the ability of the XScale to handle such a range of voltages is impressive.
	news.com.com /2100-1040-244883.html?legacy=cnet (713 words)

	TuxMobil: Linux on PDAs with XScale CPU
		The XScale CPU seems to become the successor of the StrongARM CPU.
		It uses Intel's 200MHz XScale PXA210 processor, 64MB of memory and a 3.5-inch active matrix display with a resolution of 320 pixels by 240 pixels.
		With only a JTAG connection, Jelie is able to upload a debug handler, initialize the memory, upload and debug programs.
	www.tuxmobil.org /pda_linux_xscale.html (294 words)

	Intel XScale lets developers be the boss \| Tech News on ZDNet
		StrongARM, XScale's predecessor, was based on the ARM license granted to Digital Equipment Corp. Intel later purchased it as part of a patent-infringement lawsuit settlement between the companies.
		XScale architecture, based on Intel Exchange Architecture (IXA), will be used to create chips for a wide range of devices, such as handhelds and networking and communications infrastructure products, Smith said.
		Smith said XScale chips will spawn a number of products, including communications equipment and Internet infrastructure equipment, such as a router or a switch.
	news.zdnet.com /2100-9595_22-523268.html (864 words)

	StrongArm PXA250 XScale: Software availability & opinion - PDAPhoneHome.com
		I was about to get the Verizon Samsung SPH i700 and I asked my computer tech, who just got the new TMobile Pocket PC Phone edition, what he thought of it.
		I found the StrongArm PXA250 XScale, 300MHz processor specified for the i700.
		What is missing, is software compiled for XScale, which would make it run faster.
	pdaphonehome.com /forums/samsung-i700/6562-strongarm-pxa250-xscale-software-availability-opinion.html (476 words)

	Intel XScale® Technology Overview
		Designed to optimize low power consumption and high performance processing for a wide range of wireless and networking applications and rich services.
		Hot-Debug for Intel XScale® Core Debug Application Note
		Recommended JTAG Circuitry for Debug with Intel XScale Microarchitecture Application Note
	www.intel.com /design/intelxscale (85 words)

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