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dmeads_10

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Posts posted by dmeads_10

    What models/sample rates are the ZMODS included with the eclypse z7?

    in FPGA

    Posted

    Okay, I was referring to the specific model number. When you look at the ZMOD ADC 1410 there are three different models, each with a different max sample frequency, I am just wondering which one is included when you purchase the board with the ADC option. 

    Thanks for the feedback tho, I am planning to use it for some intermediate level DSP exploration, along with some SDR stuff and making a hobbyist service monitor for my handheld radio. any option of the ADC would be fine for my projects I am just wondering which one is included when you buy it. 

    ARTY S7-25 master XDC files error on UART pins?

    in FPGA

    Posted

    Hello!

    working with microblaze and UART on the ARTY S7-25 board and having IO constraints issues. 

    When I include the master XDC file provided by digilent, Vivado gives me an error (when i open the synthesized design) saying that it cannot place the UART pins because of user constraints. Bitstream can still be generated successfully, i havent actually tried to run the UART because I dont want to screw anything up.

    When I dont include the XDC file, the tools automatically route the UART_tx and UART_rx to pins R12 and V12, respectively, however in the XDC file they are filpped (UART_tx is on V12 and UART_rx is R12), which is causing the error. You can see the attatched picture of the auto-routing assigning UART_rx to V12. 

    image.png.6d66ab334ade4fc3e647084d6ed7f963.png

    Here is the XDC code: 

    ## USB-UART Interface
#set_property -dict { PACKAGE_PIN R12   IOSTANDARD LVCMOS33 } [get_ports { uart_rxd_out }]; #IO_25_14 Sch=uart_rxd_out
#set_property -dict { PACKAGE_PIN V12   IOSTANDARD LVCMOS33 } [get_ports { uart_txd_in }]; #IO_L24N_T3_A00_D16_14 Sch=uart_txd_in

    which is the correct way to assign pins?

    Genesys 2 Kintex-7 (new-open box) board for sale

    in Buy, Sell, Trade

    Posted · Edited by dmeads_10

    Hey guys!

    Genesys 2 for sale:

    - New but open box, all accessories included. 

    - Still has unused Vivado voucher for the Kintex part on the board (expires in late october of this year)  

    ebay link: https://www.ebay.com/itm/144134145928

     

    Thanks for looking! ( I am going to post this to the EEVblog too so if you see it there just know its me)

    Message if interested

     

     

     

    Genesys ZU heat sink fell off :( Part number?

    in FPGA

    Posted

    On 7/18/2021 at 7:45 AM, zygot said:

    Without the proper thermal conductivity analysis, and a bit of knowledge, it's quite possible to make things worse by slapping a "looks like" hunk of metal onto the top of your FPGA and declaring victory.

    @zygot

    Yes good point, perhaps i should explain what I did better. I only used the Blue plastic piece from the heat sink part number above. When the original yellow clip came broken and the entire thing came off,  I unscrewed the fan, and cleaned the old thermal pad off from the original passive aluminum piece. When the new one arrived, I only used the clip from it (because I couldn't find the separate clip part, only heatsink+clip together), however used the original passive heatsink itself, and screwed the fan back on. 

     

    On 7/23/2021 at 10:39 AM, zygot said:

    The XADC has programmable alarms so, again, I highly recommend using that feature for any Series7 project work and monitoring vital signs for distress. It's quite easy to implement the XADC primitive and send readings out from a UART or to an LCD periodically with minimal logic for HDL coding effort.

    Also good point, I will keep this in mind. Thanks.

    Genesys ZU heat sink fell off :( Part number?

    in FPGA

    Posted · Edited by dmeads_10

    Hey guys!

    Just got my new AWESOME Genesys ZU board! Sadly, my heat sink has just fallen off. The little yellow square piece was not seated fully and when I went to press it down, the whole thing popped off! Nice to see that gleaming Ultrascale+ chip haha, but I would like a working heat sink :)

    Is there a replacement part number for this? I need the sticky thermal pad stuff (which I am assuming is generic?), and the  yellow clip.

    Thanks!

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