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200ppm288us288us3472. Basic FPGA Architecture. Xilinx Training. Objectives. After completing this module, you will be able to:. Describe the global and I/O clock networks in the Spartan-6 FPGA. Describe the clock buffers and their relationships to the I/O resources. Generated Clocks. The HCC generates two clocks from the . ePLL. 160 MHz clocks and the chip 40 MHz clock, used as a reference:. An 80 MHz clock using a divide by 2 circuit that contains no loops and so is self clearing.. CS 3220. Fall 2014. Hadi Esmaeilzadeh. hadi@cc.gatech.edu. . Georgia Institute of Technology. Some slides adopted from Prof. . Milos . Prvulovic. Asynchronous vs. . Synchronious. Glitches and delays are . A river flows at uniform speed . v. w. = 1.0 m/s between parallel shores a distance . D. = 120 m apart. A kayaker can paddle at 2.0 m/s relative to the water.. If the kayaker starts on one shore and always paddles perpendicular to the shoreline, how long does it take him to reach the opposite shore, and how far downstream is he swept?. Demetrios Matsakis (USNO). Lasers, Light, and Legacy. August 1, 2015. Berkeley, CA. . Clockmaking’s. success had . 100’s of . fathers. 1945 - Townes writes memo to Bell Labs on atomic . clocks. Time Dilation. Length Contraction. SPECIAL RELATIVITY. Space, time, motion, revisited. Special Relativity Postulates. The laws of physics are same for all observers in inertial reference frames (IRF). st. of January.. It’s Friday.. History of . Clock Making. What we already know about the time:. What are the two . types. of clocks?. What . parts. of clocks do you know?. Can you tell the time?. Time keeps on slipping, slipping…. Logistics. Last week’s slides online. Sign up on Piazza now. No really, do it now. Papers are loaded in . HotCRP. Sign up for account at . http://cs7780.ccs.neu.edu. i’m. scheduled. are you?. delete this text and insert your name. Learn more about preventive care. hr2.chevron.com/wellness. Ken Birman. Cornell University. . CS5410 . Fall 2008. . Real time and clocks. Lamport showed that if we care about event ordering, the best option is to use logical clocks. But suppose we care about real time?. deepika. . gopala. . AGENDA. Introduction. Clock Synchronization. Physical Clocks. Global Positioning System. Algorithms. References. Introduction: Synchronization. Communication is important, but how processes synchronize and cooperate with each other is also important.. Time and Clock Time and Clock Primary standard of time = rotation of earth De facto primary standard = atomic clock (1 atomic second = 9,192,631,770 orbital transitions of Cesium 133 atom. Time and Clock Time and Clock Primary standard of time = rotation of earth De facto primary standard = atomic clock (1 atomic second = 9,192,631,770 orbital transitions of Cesium 133 atom. Hadi Esmaeilzadeh. hadi@cc.gatech.edu. . Georgia Institute of Technology. Some slides adopted from Prof. . Milos . Prvulovic. Asynchronous vs. . Synchronious. Glitches and delays are . very. hard to deal with.