Physics – Instrumentation and Detectors
Scientific paper
2011-11-17
Physics
Instrumentation and Detectors
8 pages, 4 figures, TWEPP-2011; E-mail: mp@hep.ucl.ac.uk
Scientific paper
ATLAS-SCT has developed a new ATLAS trigger card, 'Digital Atlas Vme Electronics' ("DAVE"). The unit is designed to provide a versatile array of interface and logic resources, including a large FPGA. It interfaces to both VME bus and USB hosts. DAVE aims to provide exact ATLAS CTP (ATLAS Central Trigger Processor) functionality, with random trigger, simple and complex deadtime, ECR (Event Counter Reset), BCR (Bunch Counter Reset) etc. being generated to give exactly the same conditions in standalone running as experienced in combined runs. DAVE provides additional hardware and a large amount of free firmware resource to allow users to add or change functionality. The combination of the large number of individually programmable inputs and outputs in various formats, with very large external RAM and other components all connected to the FPGA, also makes DAVE a powerful and versatile FPGA utility card
Goodrick Maurice
Postranecky Martin
Robinson Dave
Shaw Rick
Warren Matthew
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