Xcell China 28 - (Page 10) 技 術 專 欄 LMH0341 Sinusoidal Jitter Tolerance LMH0341, 297G SMPTE Transit output jitter template 1000.0 Jitter Amplitude (UI) 100.0 10.0 1.0 0.1 +3 +6 +3 6 0E E+ 0E 0E E+ .0 0E 10 0. +6 3 .0 1. 0. 1. 10 10 Jitter Frequency Data Rate: Equipment: Tektronix CSA8000 sampling scope with 20-GHz sampling heads. Input Signal: PRBS 215 -1 Data Rate: 2.97 Gbps 2.97 Gbps Agilent J-BERT Equipment: 圖 1 - LMH0340 的 3 Gbps 輸出對齊抖動： ps 30 圖 2 - LMH0341 的最低輸入抖動容限 ：0.6 UI 據速率， 從而使低成本 FPGA 得以進入高 端 AVB 市場。 視頻應用的 Spartan 功能 Spartan-3E 和 Spartan-3A FPGA 系列憑 藉下列特有的低成本功能提供高性能、高 密度 （邏輯和 I/O） 、高度靈活性和高度可 縮放性，因此適合視頻應用的諸多特點 ： • 5 萬到 160 萬個系統門 • 超過 666 Mbps 的真 LVDS 差分 I/O 驅動 器， 具有接收器內部終端， 可實現芯片 間直接通信 • 超過 300 MHz 的雙倍數據速率 (DDR) I/ 有效帶寬可提高到 600 Mbps O 寄存器， 以上 • 超過 200 MHz 的 18 Kb 雙端口 Block 可用於 FIFO 和數據緩衝 RAM， 可 • 超過 200 MHz 的專用 18x18 乘法器， 用於高速數字信號處理 • 數字時鐘管理器 (DCM) • 時鐘去歪斜 • 頻率合成 • 高分辨率相移 （從 5 MHz 到 300 MHz 以 • 頻率範圍大 上） 可以在開發期間或在現場 • 完全可編程， 輕鬆修改設計，也可以在一個解決方 案中支持多種標準 • 用來快速實現視頻應用關鍵功能的軟 件和 IP • 幫助快速入門的設計示例和參考電路 板 通過使用 FP G A，可使您的產品既符 合行業標準又與眾不同。這種差異性可能 是難以用 ASSP 解決方案實現的，而使用 ASIC 又會昂貴得無法承受。可編程解決方 案的靈活性可縮短上市時間，而現場更新 則可延長存市時間。眾多標準 （及版本） 會導致不確定性，因此，設計需要在傳輸 機制、MPEG 配置、顯示格式 、色彩校正方 面具有靈活性。 (SERDES) • SMPTE 加擾/解擾 • 視頻成幀器/解幀器 • CRC 和行號插入 • 光柵化 • ANC 插入 • 視頻標準檢測與飛輪 F P G A 設 計 實 際 上 是 劃 分 為“ 軟 和 兩個頻域，如錶 2 SERDES” “像素處理” 所示。由於使用了 DDR 技術，軟 SERDES 中使用的時鐘頻率通常僅為串行比特率 的一半。另一方面，像素處理時鐘頻率取 決於相關的視頻傳輸格式：對於 720p60 互聯軟 SERDES 和協議 IP 堆棧 National Semiconductor 的 Smart SER D E S、均衡器和電纜驅動器用於實現 ，而 FPGA 則對於支持協議 IP SDI 物理接口 堆棧中的所有數字功能起着重要作用，這 些功能包括： • 20:5/5:20 LVDS 軟串行化和解串行化 THEN Wide parallel bus: Introduces EMI VCO Max Serial data rate: 1.485 Gbps FPGA Burdens layout 20-bit Single Ended TTI HD-SDI Serializer Cable SDI OUT 10 Output Jitter: ~115 ps Jitter clk NOW Max Serial data rate: Low-Cost FPGA Narrow parallel bus: LMH0340 3G-SDI SDI OUT 2.97 Gbps Output Jitter: 50 ps Simplifies layout Differential Signaling Reduces EMI 圖 3 – 減少 SDI 的用料量 10 賽靈思中國通訊 28期
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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