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The Readout Bus of the ATLAS Level-1 Calorimeter Trigger Pre-Processor
[article]
1999
Preserved Fulltext
The input to the ATLAS level-1 calorimeter trigger consists of 7200 trigger tower channels. The Pre-Processor system of the Level-1 calorimeter trigger provides facilities to read out this raw data on which the trigger decision is based. A high-bandwidth custom bus system, built from parallel point-to-point links, is used to collect data from several VME modules. These data are fed to the S-Link transmitter used for sending the read out data to the ATLAS DAQ system. The architecture of this bus
doi:10.5170/cern-1999-009.290
fatcat:octub7zyhne77pgdrx67pboxle