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Hi everyone!
I have a Cyclone III starter kit (DK-START-3C25N) which has the usb blaster embedded on-board. On the board there is also a 10 pins JTAG header. My question is simple but I did not find any answer on documents or web: is it possible to use this on-board USB blaster to program FPGAs other than the one in the starter kit, through the JTAG header?? Thanks a lot, DavideLink Copied
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It's not possible with the default setup for two reasons:
- The TDO signal coming back from the FPGA on your Cyclone III board will conflict with the TDO signal from the external board
- If the on-board blaster detects that a cable is plugged in to the jtag socket then it will disable itself
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Thanks! I think I will buy a new programmer :-)
Davide- Mark as New
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--- Quote Start --- Thanks! I think I will buy a new programmer :-) --- Quote End --- Buy the Terasic USB-Blaster, its significantly cheaper than Altera's version. http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=74 If you must have an Altera version, then buy a development kit that includes the programmer. For example, I recently replaced a MAX II PCI kit that I'd managed to damage. http://www.digikey.com/scripts/dksearch/dksus.dll?vendor=0&keywords=dk-maxii-1270n The kit is ~$160 and includes an Altera USB-Blaster. A USB-Blaster by itself is $300 ... http://www.digikey.com/product-detail/en/pl-usb-blaster-rcn/544-1775-nd/1212940 go figure ... Cheers, Dave
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--- Quote Start --- Buy the Terasic USB-Blaster, its significantly cheaper than Altera's version. --- Quote End --- Thanks for the advice! --- Quote Start --- If you must have an Altera version, then buy a development kit that includes the programmer. [...] The kit is ~$160 and includes an Altera USB-Blaster. --- Quote End --- I think that this had been my boss' original thought (in fact, I need it at work)...but probably he did not check if that particular starter kit (DK-START-3C25N) had a separate usb blaster..... Now I've to decide which one to buy...but I think that if the Terasic blaster is ok for Cyclone III FPGAs, I will buy that one :) Thanks a lot, Davide
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--- Quote Start --- if the Terasic blaster is ok for Cyclone III FPGAs, I will buy that one :) --- Quote End --- It works fine. Cheers, Dave
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