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Published byErnest Owen Modified over 9 years ago
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OPTO Link using Altera Stratix GX transceiver Jerzy Zieliński PERG group Warsaw
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2 agenda Stratix GX Short Introduction Transmission Basic Block Diagram Hardware-Only Based Optical link Internal Interface in Stratix GX FPGA Environment Implementation 2.5Gbps optical link, with Matlab based GUI using Internal Interface Transmission parameters measurement
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3 Altera Stratix GX Introduction Up to 20 channels for 3.125 Gbps transceiver blocks Up to 41,250 Logic Elements, 3 Mb RAM and 638 I/O pins High performance architecture Build in source-synchronous transfer protocols Serial light protocol ready
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4 Stratix/Stratix GX Development Board
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5 Transmission Basic Block Diagram
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6 Hardware-Only Couter Test 8bit Word Basic Transmission without 8b/10b coding Errors on Differential Lines Errors during Transmission 8bit Word Transmission with 8b/10b coding No Error in Hardware-Based-Visual-Only Test
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7 Only-Hardware Counter Test
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8 Internal Interface FPGA Environment Multi-Protocol External Communication Command & Status Words Internal Interface BUS Internal Interface with Components Communication Stratix GX OPTO component Internal Interface Implementation Ready Full Integration with Internal Interface Communication Other Components Communication Possible
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9 Internal Interface Inside FPGA
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10 Matlab based GUI Connection Initialization Transmission Control Transmission Initialization Latency Measurement I/O Read Bit-Error-Rate Measurement
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11 Matlab based GUI 2.5Gbps optical link, with Matlab based Graphical User Interface using Internal Interface Transmision Initialization Transmitted Word Control Bit Error Rate Tests Latency Measurement GUI-to-HARDWARE Full Control
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12 Transmission Parameters Transmission Rate2.5Gbps Word Length8bit Clock Frequency156.25MHz First Transmitted After200ns Latency30 c.c. ~200ns
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13 Future Plans 16bit Channel Mode Multi-Channel Transmission Component Link to Xilinx Virtex II PRO, using the same Transmission Protocol
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OPTO Link using Altera Stratix GX transceiver Jerzy Zieliński PERG group Warsaw
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