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TigerSHARC and Blackfin Different Applications
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Introduction Quick overview of TigerSHARC Quick overview of Blackfin low power processor Case Study: Blackfin Gemei Portable Media Player Case Study: TigerSHARC Arturia: Synthesizer Conclusion
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TigerSHARC
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TigerSHARC Specifications Up to 600MHz (1.67 ns instruction cycle rate) 24M bits of internal—on-chip—DRAM memory 2 computation blocks ALU multiplier Shifter register file communications logic unit (CLU)
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TigerSHARC specifications 2 integer ALUs Integrated I/O 14-channel DMA controller external port 4 link ports SDRAM controller programmable flag pins two timers, and timer expired pin JTAG test port Single-precision IEEE 32-bit Extended-precision 40-bit floating-point data formats 8, 16, 32, and 64-bit fixed-point data formats
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Blackfin (ADSP-BF52x)
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Blackfin Specifications Up to 600MHz 2 16-bit MACs 2 40-bit ALUs 4 8-bit video ALUs 40-bit shifter 1.8V, 2.5V, or 3.3V I/O operation
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Blackfin Specifications (Memory) 132K bytes of total on-chip memory: 48K bytes of instruction SRAM 16K bytes of instruction SRAM/cache 32K bytes of data SRAM 32K bytes of data SRAM/cache 4K bytes of scratchpad SRAM External memory controller Nand flash controller Flexible booting options One-time programmable memory for security Two dual-channel memory DMA controllers Memory management unit providing memory protection
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Blackfin Peripherals USB 2.0 high speed 10/100 Ethernet Parallel peripheral interface (PPI) & Serial peripheral interface (SPI) Host DMA port 2 dual-channel, full-duplex synchronous serial ports (SPORTs) 12 peripheral DMAs Event handler with 54 interrupt inputs 54 independent interrupt inputs
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Blackfin Peripherals 2 UARTs, Two-wire interface (TWI) controller Eight 32-bit timers/counters 32-bit up/down counter with rotary support Real-time clock (RTC) and watchdog timer 32-bit core timer 48 general-purpose I/Os NAND flash controller JTAG interface On-chip PLL capable of 0.5 to 64_ frequency multiplication
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Analog Devices Blackfin TigerSHARC
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Blackfin Application VOIP Multimedia applications Accessories Networked audio Industrial control systems Instrumentation Imaging
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Gemei Portable Media Player
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Low Cost Processor Developed entirely on software New features FLAC Audio format Sound Effects Gaming Combination of micro-controller and signal processor
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Gemei Portable Media Player Battery Life (1600mAh battery) 25 hours audio 7 hours video Dynamic Power Management Peripherals SPORT Audio codec & FM radio PPI LCD and Video in SPI NOR Flash
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TigerSHARC Application Video & Communication markets Broadband Wireless Industrial instrumentation Military & Medical applications
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Arturia: Synthesizer
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Takes advantage of SIMD operation Large I/O memory bus Performance/cost Larger memory than competitors Used link ports Xilinx FPGA TigerSHARC
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Conclusion - Blackfin Low Cost High performance (Blackfin standard) Power Management Integration of both processor and micro- controller DRM capability Peripheral Ease of development
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Conclusion - TigerSHARC Low cost (performance/cost) High performance (processing capability) Large system bus and I/O Ease of development
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References [1] Analog Devices, “Blackfin Embedded Processor ADSP-BF522/525/527,” February 2007, http://www.analog.com/UploadedFiles/Data_Sheets/ADSP-BF522_BF525_BF527.pdf [2] Analog Devices, “TigerSharc Embedded Processor ADSP-TS201S,” December 2006, http://www.analog.com/processors/EP_DSP_Sel_Guide_2007_Web.pdf [3] Analog Devices, “Embedded Processor and DSP Selection Guide 2007 Edition,” 2007, http://www.analog.com/processors/EP_DSP_Sel_Guide_2007_Web.pdf [4]Electronic Specifier, “Analog Devices’ Blackfin combines processing power, security and ease-of- programming to deliver live video to mobile phones”, August, 2006, http://www.electronicspecifier.com/Wireless- and-Portable/Analog-Devices-Blackfin-combines-processing-power-security-and-easeofprogramming-to-deliver- live-video-to-mobile-phones.asp [5]EETimes,“Blackfin DSP picked for mobile- TV play”, March, 2007 http://www.eetimes.eu/germany/197802042;jsessionid=S1PS102F5QMDMQSNDLPSKHSCJUNN2JVN?pgno=2 [6]Analog Devices, “Gemei’s Powerful New Portable Media Player is Driven by Blackfin”,http://www.analog.com/processors/blackfin/overview/customerStories/gemei/gemeiIndex.html [7]Analog Devices, “Roku’s Networked Music Player Streams Digital Music from PC to Stereo System via Blackfin”, http://www.analog.com/processors/blackfin/overview/customerStories/roku/rokuIndex.html [8]Analog Devices, “Fractal Audio’s Real-time Guitar Pre-amp is Routable and Progarmmable with TigerSHARC”, http://www.analog.com/processors/tigersharc/overview/customerstories/fractalAudio/fractalAudioIndex.html [9]Analog Devices, “Arturia: Musicians “Blown Away” by TigerSHARC-based Synthesizer”, http://www.analog.com/processors/tigersharc/overview/customerstories/arturia/arturiaIndex.html [10]DSP Design Line, “New Blackfin touts ultra-low power, security features”, March 2007,http://www.dspdesignline.com/showArticle.jhtml?printableArticle=true&articleId=198000163
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