VFAT2 Frame Specification

Taken from http://totem.web.cern.ch/Totem/work_dir/electronics/ copy is here:
(page 23)

VFAT2 frame is 24Bytes long:

  • header : 6 Bytes (Bunch Crossing nr, Event Clock, Flags, Chip ID )
  • data : 16 Bytes = 128 bits
  • footer : 2 Bytes (CRC sum)

Here is content of all bytes with their numbers:

0. 1010 BC<11:8>
1. BC<7:0>
2. 1100 EC<7:4>
3. EC<3:0> Flags<3:0>
4. 1110 ChipID<11:8>
5. ChipID<7:0>
6. ChannelData<127:120>
    ...
21. ChannelData<7:0>
22. CRC<15:8>
23. CRC<7:0>

-- LeszekGrzanka - 13 Sep 2006

Topic attachments
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PDFpdf VFAT2Manual.pdf r1 manage 472.8 K 2006-09-13 - 11:04 LeszekGrzanka VFAT 2 manual
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Topic revision: r5 - 2006-10-05 - HubertNiewiadomski
 
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