AMC13 DAQ Firmware

This page is the "home" for documentation of a common firmware developed to suit many users of the AMC13.

  • UpdatedDAQPath.pdf Data Format Specification (evolving document; ver of 2015-09-30, current as of 2023-02-16)
  • Google Document with brief description of common firmware

Notes others have found useful:

One such block with two-word header and one-word trailer must be provided to each AMC backplane link in response to each L1A. If there is no data to send, provide just the 2+1 words with the Data_lgth set to 3.

The blue "AMC Payload" portion is entirely at your discretion, but there is no reason to duplicate the EvN, BcN, etc there as we already check and include them in the output stream if you provide them to us.

The data is encapsulated in one or more blocks with AMC payloads interleaved (32kB max per block) as detailed in Illustration 3.

The first and last words (pink background) are as mandated by CDAQ. The yellow words wrapping each block are added by the AMC13. The green AMCx Payload sections contain exactly the data shown in Illustration 2.

See AMC13BackplaneLink page for reference firmware for AMC cards supporting this protocol.

See AMC13DataUnpacking for unpacking notes and reference software

-- EricHazen - 17 Jun 2015

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Topic revision: r17 - 16 Feb 2023 - ChristopherCosby
 
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