The XILINX type used in the 1996 Pad repeater logic was
The XILINX type used in the new (from 1997 on) Pad repeater logic is
16 chips are implemented in the fully equipped pad detector. They are configured by the bit serial protocol over approx. 40m cable. All 8 XILINX chips of one detector half are configured in a single serial slave string, e.g. configuration data are passed from one XILINX to the other. The master device is a much smaller XILINX located in the PDS module in the trailer. Download data - prepared by a XILINX development system and saved in the .mcs format - are presented to it by the BST Slow Control Macintosh via a VME interface following the byte parallel peripheral protocol.
For the pinout of the XILINX chips refer to this documentation.
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© by Hans Henschel, 19-sep-96, last revised: 28-jun-98