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The ARM processor visit exceptionally analyzes_ARM, processor
Saturday, November 21st, 2009 at 02:25 | No commentsCategories: Embedded systemShort Content: Has compiled a procedure voluntarily, defines a char array to be as follows:char p[] = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80}; Uses long separately and the short indicator aims at p 3 the position, this address after translation is 0x10963, is obviously one address which does not aline to long and short.The program output result is as follows, in the parenthesis is the content, front is the address./mnt $ ./testl 0x10963(0x30201040), s 0x10963(0x5040), lt 0x30201040, st 0x5040 ... -
Expands the DSP design for isomerism hardware platform
Sunday, June 7th, 2009 at 14:55 | No commentsCategories: DSPShort Content: You may cooperate in the automatic flow FPGA the processor to increase to the DSP system. The video frequency, the phantom and the telecommunication market's standard impelled isomerism to be possible the reshuffle DSP hardware platform use. Speaking of this article, these platforms including the DSP processor and FPGA, the ready-made hardware solution which they provide may solve in the video frequency, the phantom and the telecommunication design significant difficult problem, but still did not lose enough may have ... -
TWL3024 in 3G in terminal power source management application
Tuesday, April 21st, 2009 at 06:59 | No commentsCategories: Power SupplyShort Content: Abstract: This article introduced with an example TWL3024 in the 3G mobile termination's power source management games, this kind of management games regarding grasps equipment's energy conservation to fall generally consumes also has certain reference function.Key word: TWL3024; 3G; Power source managementForewordthe 3G terminal power source manages (because one of main strategies, is designs the transfer efficiency high linear pressure regulator its low pressure drop characteristic to be called LDO). Although the switch pressure regulator's transfer efficiency is high, but ... -
eCos in based on ARM7 in hardware platform application
Wednesday, November 26th, 2008 at 21:22 | No commentsCategories: SCMShort Content: The abstract introduced simply eCos the architecture, elaborates eCos to be possible in detail to dispose the mechanism to realize the principle, introduced with emphasis eCos in take AT91M55800 as in the core ARM7 hardware platform transplant step, unifies this system brief introduction essence the collocation method. Finally has given based on the eCos application software's compilation method.Key word eCos may dispose the mechanism ARM7 transplant hardware platform eCos (Embedded Configurable Operating System) is at first Corporation to face ... -
ARMv7 Cortex series microprocessor technology characteristic
Wednesday, November 26th, 2008 at 05:02 | No commentsCategories: SCMShort Content: Abstract ARMv7 is the present ARM processor architecture highest edition. This article introduced based on ARMv7 newest ARM the microprocessor Cortex series, described this series processor's technical detail, simultaneously elaborated Cortex-R, Cortex-A, the Cortex-M series processor's technical characteristic with emphasis. Finally, has made the further elaboration to the different series processor's application domain.Key word ARMv7 architecture Cortex-M Cortex-R Cortex-A Introduction Along with the embedded technical application domain's unceasing expansion, is getting higher and higher to embedded system's request, but ... -
With realizes - en.51rd.net based on the FPGA tone examination algorithm’s design
Monday, November 17th, 2008 at 13:12 | No commentsCategories: EDA/PLDShort Content: Abstract: The FPGA application in digital signal processing's mainstream technology DSP is one of Altera promotion important applications, this article rests on Altera to propose based on the FPGA DSP solution, according to faces the system-level and the algorithm level hardware design mentality, an important technology - - "the tone cycle feature extraction" realizes the DSP-IP nucleus and the execution construction design for the voice signal processing domain, and realizes through performance evaluation analysis confirmation algorithm's DSP causes the overall ... -
Based on DSP real-time image target acquisition and tracking system design
Tuesday, October 7th, 2008 at 14:02 | No commentsCategories: DSPShort Content: Abstract: This article introduced one kind based on the double TMS320VC5416 processor's real-time visual search track processing system, elaborated in detail this system's hardware design thought that the parallel connection united plants the track algorithm example to narrate based on the DSP visual search and the track processing system software design general flow. This system is one kind of fine imagery processing platform, has the good versatility, may use for to realize many kinds of imagery processing algorithm.Key word: Imagery ... -
May expand the high speed FFT processor’s design based on FPGA with to realize - en.51rd.net
Tuesday, September 9th, 2008 at 20:02 | No commentsCategories: EDA/PLDShort Content: Abstract: This article proposed realizes the assembly line FFT processor's structural design which as well as various functional module algorithm based on FPGA the Fourier transformation points may expand nimbly realizes, counts the FFT algorithm including the high combination the assembly line to realize the structure, the interstage to mix the foreword to read/writes the RAM address rule, the dash to count the FFT array processing structure as well as the base complement realizes the CORDIC algorithm running water line ...
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