AMC13 to AMC Backplane Link

We have developed firmware to assist AMC module developers in communicating with the AMC13.


  • This link was recently updated to run at 5.0Gb/s. The linked uHTR page has updated firmware.
  • As of early 2014 we are working on a major revision of the AMC13 DAQ path to support much larger event fragments (current firmware is limited to about 32kB per AMC per event). Firmware linked below can be used for early testing but contact me (E. Hazen) for details on the new revision.


  • BackplaneLinkDiagram.pdf – Diagram of link
  • DAQ_Link_wu.vhdl – sample DAQ link firmware from HCAL uHTR. This version is for a Virtex-6 and a 2.5Gb/s Fabric A link. For actual implementation on a Virtex-6, please see the "Back FPGA Firmware" from the HCAL uHTR Page.
  • – sample TTC receiver firmware (updated 19 June 2013)

The link consists of two separate parts. First is the TTC receiver which handles the TTC clock, received on FCLKA from the MicroTCA backplane with the TTC serial bit stream on Fabric B at 80 Mb/s. The second is the DAQ link, which carries DAQ and trigger data back to the AMC13.

-- EricHazen - 19 Jun 2013

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Topic revision: r3 - 09 Jan 2014 - EricHazen
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