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"then just go an buy an FTDI FT245BM module"
Actually De0 nano has already FTDI FT245BL. Should I still buy the FTDI FT245BM module although De0nano has already FTDI chip on board?
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The USB-Blaster circuit is constructed using an FTDI FT245 plus a CPLD. The functionality of this circuit is not documented by Altera (but there are details on the web). I also see that Terasic has stopped publishing the circuit diagram in the schematic too, eg. there is nothing in the DE0-nano schematic.
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could you also give me a good link or pdf regarding (1) and (3)?
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The SLD Virtual JTAG interface has a users guide:
http://www.altera.com/literature/ug/ug_virtualjtag.pdf Everything else has to be reverse engineered using SignalTap II. I've been writing some tutorials on how to use these features. I'll try to finish them and post links.
Cheers,
Dave
Honored Contributor
