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Last Post 16 Dec 2013 08:23 AM by  Dave Edmunds
LoLo and Updating the CPLD
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steven.eckhoff
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Posts:192


--
12 Dec 2013 12:52 PM

    Q: I'm wondering about the 'update' command in LoLo.

    1. What is it capable of updating?

    2. Can the xc2c64a FPGA on the board be updated with it?

    We have a .upd file, and when I point the update command at it it looks like is running an Altera FPGA programming utility.

    3. What is in the .upd file, and how is one created?

    A:

    1. The update file is used to update the CPLD

    2. Yes

    3. I will have to look into whether we have any publicly available instructions on creating the CPLD.

    Dave Edmunds
    New Member
    New Member
    Posts:1


    --
    16 Dec 2013 08:23 AM
    Thanks for the response. The xc2c64a is a Xilinx part, so when LoLo's 'update' ran the Altera FPGA/CPLD "jam" programming utility it surprised me. Xilinx parts typically use SVF, XVSF, or STAPL files -- is the .upd file one of those, or a variant? Is the reason that the CPLD is programmable so that LogicPD can send out new releases for it, or is it something that LogicPD expects that a user might want to program? Is the board typically shipped with the CPLD programmed? Does the CPLD do anything more than interface to the compact flash?

    Thanks, Dave
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