HCAL Data Concentrator Production Status Eric Hazen, Jim Rohlf, Shouxiang Wu Boston University

DCC Engineering Status Six prototype boards working Successful readout of 6 HTRs (144 channels) in test beam through SLink Simple event builder working – FPGA coding for more advanced version underway Final hardware design changes for SLink 64 ready to start 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen DCC Block Diagram PC-MIP Mezzanine Cards 3 Channel Link Receivers Data Concentrator Logic PMC TTCRx RJ-45 to aTTS (Fast status) PCI Universe 33/32 DCC PCI PCI-VME FPGA Bridge 33/64 Data from HTR Modules SDRAM S-Link (64) LSC PCI to RUI 33/32 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

Final (?) DCC Configuration Double-Width VME Module (one backplane slot) All I/O on Front Panel DCC Logic Mezzanine Card 3x Link Receiver VME DAQ S-LINK64 DAQ 12 HTR INPUTS aTTS TTC “Front Porch” Spare Standard PMC Site (33MHz 64 bit) Spare 235 pin 2mm Connector 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen DCC Development Plans Engineering Tasks for DCC logic board: Update firmware to include synchronization and monitoring features Readout Link modification Currently Slink 32 66MHz Slink 64 per CERN standard TTCrx Currently use mezzanine board Change to BGA package TTCRx on-board (so we can put the connector on the front panel) Add “front porch” on PCB for S-Link, TTC, TTS connectors 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen DCC Production Status Motherboards (145) and LRBs (200) finished S-Link(64) output aTTS outputs (RJ-45) TTCrx BGA if required Overall Status: Motherboard and Link Receivers produced Full qty for 32 DCCs plus spares Final logic board design pending final details… 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen Proposed VME64x Rules VME64x(P) “Rules” Compliance? Difficult for us to comply at this late date. All VME carrier boards have been manufactured. However, most required features exist in our DCC design… See: www.tundra.com Look for Universe II LVDS Link Receiver Production completed VME 9Ux400 Motherboard Production completed DCC Logic Board Final design update underway 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen Proposed VME64x Rules The “7 Golden Rules” per C.Schwick Implement CR/CSR Space of VME64x Universe II precludes this but provides own CSR layout Implement the Serial Number We can do this (but not at “standard” address) …Plug and Play with “address relocation”… Universe II supports address relocation and slot geographical addressing Do not use dynamic function sizing… Universe II memory footprint not known until PCI configuration is complete! However, we can use fixed maximum size. Do not use fixed base address Fine, we don’t Use re-programmable media for CR CR is hardwired in Universe II All other VME64x features are optional… We don’t use any (except 3.3V) 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen Proposed VME64x Rules HCAL DCC Implementation provides functionality similar to VME64x. Plug-and-play is supported, but requires specific software It is unfortunate that we cannot comply exactly with the “rules”, but our hardware is already built! 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen HCAL HTR Data Format Format for one channel 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen DCC Output Format Follows Latest RUWG Guidance Payload format preliminary – for size estimate 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen

CMS HCAL -- J.Rohlf/E.Hazen DCC Event Size Estimate based on preliminary format Can be reduced if necessary (contains diagnostic / error info for each datum) PRELIMINARY ~2000 27 Sept 2002 CMS HCAL -- J.Rohlf/E.Hazen