Xcell China 28 - (Page 11) 技 術 專 欄 是 74.25 MHz,而對於 1080p60 則是 148.5 MHz。 時序收斂的難點主要在於軟 SERDES 一側,因為必須使用 297 MHz 的工作頻率 才能在所有差分通道上都獲得 594 Mbps。 自 2007 年 5 月以來, Xilinx Spartan 應用 小組一直在提供這一軟 SERDES 參考設 計的測試版。自那時起,Xilinx 和 National Semiconductor 進行了大量測試。所有三種 數據速率都通過了由 Xilinx 開發的 BERT 測 試套件的測試。圖 4 所示為 SERDES 的基 本結構。 Xilinx 在 Vir tex TM ® 20:5/5:20 LVDS SERDES Transmitter BUFG D0 CLKx2 D1 CLKx2not ODDR2 D+ D- DCM BUFG 20:5 Serializer CLK CLK_P ODDR2 CLKCLK+ BUFG CLK 20-bit CLK_N Receiver D+ DCLKBUFG Alignment = C0/C1 IDDR2 D0 D1 CLKx2 5:20 De-serializer 20-bit 系列 FPGA 中支持 DCM CLK+ BUFG CLKx2not 。X SDI 接口由來已久 A PP514《廣播 行業 音頻/視頻連接解決方案》是一本有關視 頻連接 IP 與參考設計的圖書,其中詳細 介紹了協議堆棧的各個方面,包括 SDI、 HD-SDI 和 DVB-ASI 以及 SDTV/HDTV 測試 圖生 成,甚至 還包括嵌入式音頻。X ilin x 和 National Semiconductor 正在努力將這 些極有價值的參考設計移植到 Spar tan3E 和 Spartan-3A FPGA 中。圖 5 所示為 一系列 成功移植的參 考模 塊,用於在內 部評估板上進行演示。圖 6 所示為用該 評估板生成的 SMPTE 75% 彩條測試圖。 LMH0 341 產品 ID LMH0 340 名稱 BUFG 圖 4 - Spartan-3E FPGA 中軟 SERDES 的基本結構 最大數據 速率 3G 支持的數據 速率 2.97G 1.485G 270M 2.97G 1.485G 270M 1.485G 270M 1.485G 270M 1.485G 270M 1.485G 270M 支持的 SMPTE 標準 424 M 292 M 259 M 424M 292M 259M 292M 259M 292M 259M 292M 259M 292M 259M 串行器和驅動器 時鐘恢復解串器 3G 目標應用 Xilinx 的低成本 Spartan-3 FPGA 已成 功地 廣泛 用於消費和專業視頻 應用,其 中包括使用 Spar tan-3E FPGA 的 JVC 專 業廣播 H DV 攝像機 /錄像機。用於數字 邏輯的 Spartan FPGA 與用於模擬接口的 National Semiconductor 的 Smart SERDES 相結合,為專業視頻、廣播和數字影院中 的高端應用展現出新的前景。適 用的產 品包括高清攝像機、數字錄像機、視頻剪 輯機和監控器。 LMH0 051 解串器 HD LMH0 050 串行器 HD LMH0 041 時鐘恢復解串器 HD LMH0 040 串行器和驅動器 HD 結論 Xilinx Spartan-3E 和 Spartan-3A FPGA 的強大功能與 Natio nal 成熟的 SD/ H D/ 3G-SDI Smart SERDES 及 X APP514 協議 IP 相結合,為廣播視頻 應用中不斷提高的 數據吞吐量要求提供了一種低成本解決 方案。完整的硬件解決方案如今已推出; 另外,Xilinx 的分銷合作伙伴 Avnet 將於 20 0 8 年一季度提 供完整的 SD I 評估套 件。 LMH0 070 串行器和驅動器 SD 270M 259 M LMH0 071 時鐘恢復解串器 SD 270M 259 M 錶 2 - National Semiconductor 的 Smart SERDES 系列 下一步(請點擊下列資料了解詳細內容:) R • 獲取更多信息,選擇最適合您的應用的 Spartan FPGA。 • 下載 XAPP514《廣播行業音頻/視頻連接解決方案》。 2008年春季刊 11 http://china.xilinx.com/products/silicon_solutions/fpgas/spartan_series/index.htm http://china.xilinx.com/support/documentation/application_notes/xapp514.pdf
Table of Contents Feed for the Digital Edition of Xcell China 28 Xcell China 28 Avnet Ad Table of Contents At the Heart of Consumer and Automotive Innovation Designing Digital Displays with Spartan-3 Generation FPGAs A High-Speed Broadcast Video Connectivity Solution Block Matching for Automotive Applications on Spartan-3A DSP Devices Taking Device DNA Technology to the Next Level Designing GPS Systems Using CoolRunner-II CPLDs Designing Portable Handsets Using CoolRunner-II CPLDs Scalable and Flexible In-Vehicle Networking A Compact Multimedia Display Development Platform for Automotive and Industrial Markets Supporting Multiple SD Devices with CPLDs Decrease Processor Power Consumption Using a CPLD Easing Design Challenges with CoolRunner-II CPLDs ISE Design Suite10.1 Xilinx Training Courses Apr - Jun Nu Horizons Ad Xilinx Ad Xcell China 28 Xcell China 28 - Xcell China 28 (Page 1) Xcell China 28 - Avnet Ad (Page 2) Xcell China 28 - Table of Contents (Page 3) Xcell China 28 - At the Heart of Consumer and Automotive Innovation (Page 4) Xcell China 28 - At the Heart of Consumer and Automotive Innovation (Page 5) Xcell China 28 - At the Heart of Consumer and Automotive Innovation (Page 6) Xcell China 28 - Designing Digital Displays with Spartan-3 Generation FPGAs (Page 7) Xcell China 28 - Designing Digital Displays with Spartan-3 Generation FPGAs (Page 8) Xcell China 28 - A High-Speed Broadcast Video Connectivity Solution (Page 9) Xcell China 28 - A High-Speed Broadcast Video Connectivity Solution (Page 10) Xcell China 28 - A High-Speed Broadcast Video Connectivity Solution (Page 11) Xcell China 28 - Block Matching for Automotive Applications on Spartan-3A DSP Devices (Page 12) Xcell China 28 - Block Matching for Automotive Applications on Spartan-3A DSP Devices (Page 13) Xcell China 28 - Block Matching for Automotive Applications on Spartan-3A DSP Devices (Page 14) Xcell China 28 - Taking Device DNA Technology to the Next Level (Page 15) Xcell China 28 - Taking Device DNA Technology to the Next Level (Page 16) Xcell China 28 - Taking Device DNA Technology to the Next Level (Page 17) Xcell China 28 - Designing GPS Systems Using CoolRunner-II CPLDs (Page 18) Xcell China 28 - Designing GPS Systems Using CoolRunner-II CPLDs (Page 19) Xcell China 28 - Designing Portable Handsets Using CoolRunner-II CPLDs (Page 20) Xcell China 28 - Designing Portable Handsets Using CoolRunner-II CPLDs (Page 21) Xcell China 28 - Scalable and Flexible In-Vehicle Networking (Page 22) Xcell China 28 - Scalable and Flexible In-Vehicle Networking (Page 23) Xcell China 28 - A Compact Multimedia Display Development Platform for Automotive and Industrial Markets (Page 24) Xcell China 28 - A Compact Multimedia Display Development Platform for Automotive and Industrial Markets (Page 25) Xcell China 28 - A Compact Multimedia Display Development Platform for Automotive and Industrial Markets (Page 26) Xcell China 28 - A Compact Multimedia Display Development Platform for Automotive and Industrial Markets (Page 27) Xcell China 28 - A Compact Multimedia Display Development Platform for Automotive and Industrial Markets (Page 28) Xcell China 28 - Supporting Multiple SD Devices with CPLDs (Page 29) Xcell China 28 - Supporting Multiple SD Devices with CPLDs (Page 30) Xcell China 28 - Supporting Multiple SD Devices with CPLDs (Page 31) Xcell China 28 - Decrease Processor Power Consumption Using a CPLD (Page 32) Xcell China 28 - Decrease Processor Power Consumption Using a CPLD (Page 33) Xcell China 28 - Decrease Processor Power Consumption Using a CPLD (Page 34) Xcell China 28 - Decrease Processor Power Consumption Using a CPLD (Page 35) Xcell China 28 - Decrease Processor Power Consumption Using a CPLD (Page 36) Xcell China 28 - Easing Design Challenges with CoolRunner-II CPLDs (Page 37) Xcell China 28 - Easing Design Challenges with CoolRunner-II CPLDs (Page 38) Xcell China 28 - Easing Design Challenges with CoolRunner-II CPLDs (Page 39) Xcell China 28 - Xilinx Training Courses Apr - Jun (Page 40) Xcell China 28 - Nu Horizons Ad (Page 41) Xcell China 28 - Xilinx Ad (Page 42)
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