Product category: Embedded Software and Operating Systems
News Release from: Texas Instruments (April 2001-March 2006) | Subject: TMS320C5510 and TMS320C5509
Edited by the Electronicstalk Editorial Team on 17 October 2001
Free software puts
imaging functions on DSPs
Texas Instruments has released a software library of 21 imaging functions for its TMS320C5510 and TMS320C5509 DSPs
Texas Instruments has released a software library of 21 imaging functions that allow designers to rapidly develop power-efficient, digital imaging applications using video hardware extensions designed within the TMS320C5510 and TMS320C5509 DSPs. A single 200MHz C5510 DSP, available today, can easily perform MPEG4 video encoding and decoding at 30 frames per second in quarter common intermediate format (QCIF) resolution, while consuming only 50mW of power for applications such as PDAs, digital camcorders, Internet-enabled set-top boxes and other digital imaging and video appliances.
This article was originally published on Electronicstalk on 17 October 2001 at 8.00am (UK)
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The new software library includes C-callable functions (ANSI-C language compatible) to use the hardware extensions for core components of MPEG-4, JPEG and MJPEG processing such as discrete cosine transform, motion estimation, pixel interpolation and a library of video operations such as 1-D/2-D pyramid wavelet decomposition and reconstruction.
These components are suitable for inclusion in creating eXpressDSP-compliant algorithms, which will shorten development time in designing high-performance video encode and decode into portable applications.
The software library and complete documentation are free and downloadable from the web today.
The TMS320C55x DSP core was created with an open architecture that allows the addition of application-specific hardware to boost performance on specific algorithms.
The hardware extensions on the C5510 and C5509 DSPs strike the perfect balance of fixed function performance with programmable flexibility, while achieving low-power consumption and cost that traditionally has been difficult to find in the video-processor market.
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The extensions allow the C5510 and C5509 DSPs to deliver exceptional video codec performance with more than half its bandwidth available for performing additional functions such as colour space conversion, user interface operations, security, TCP/IP, voice recognition, and text-to-speech conversion.
As a result, a single C5510 or C5509 DSP can power most portable digital video applications with processing headroom to spare.
Unlike accelerator units that are attached to a DSP core as a peripheral, the C55x DSP is designed so that hardware extensions can be integrated within the core's resources thus allowing them to become part of the core signal flow.
An external accelerator requires hardware to be duplicated that already exists in the DSP core and communication overhead to handle the data transferred from the core accelerator.
Both requirements can increase latency, degrade chip resource utilization, and increase programming complexity.
The C55x DSP core has none of these drawbacks, stripping away roadblocks to optimum circuit design with exceptional imaging and video performance.
For portable video and imaging applications that require higher resolution image and video processing, TI offers the TMS320C5000 DSP based TMS320DSC24 DSP solution.
This SoC packs the processing power needed to deliver encoding or decoding of real-time video in applications such as streaming video.
The DSC24 combines on a single device the ultra-low power TMS320C5000 DSP to perform real-time media processing and an ARM7TDMI RISC processor for system control functions.
Samples of the TMS320C5509 DSP at 144 MHz and the TMS320C5510 at 200MHz are available today.
Full production is scheduled to begin in the first half of 2002 at a planned price of $18 for the C5509 and $35 for the C5510 in 10,000 unit quantities.
The C5509 and C5510 DSP evaluation modules (EVM) are available today for a special introductory price of $995.
Complete documentation and technical training are available for free.
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