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Found 3 results

  1. Hi, I'm working on a project based on a Xilinx Ultrascale+. The final board will contain, for JTAG interface, a SMT2-NC device with a USB type-C receptacle. This board should work as "device", and so as Upstream Facing Port (UFP). At the moment, I know how to treat the CC lines (via 5.1 kOhm pull-down resistors) but I still don't understand how to connect (or how to use) the VBUS lines, because the SMT2 is powered from the 3.3V and VREF pins and not VBUS. Can I leave the VBUS lines unconnected or I should follow some specific procedure to connect them? Thanks
  2. Interested to know of techniques for transferring (streaming) data from a FPGA Eval Board to a PC. Looks like 15 years ago there was DPCUTIL as part of the Adept suite. Is this still currently used or has it been superseded? I have a Gensys 2 board which purports to have a PC - FPGA Data Transfer (DPTI/DSPI) via a FT2232 USB Controller however according to the schematics this doesn't seem to be populated on my version of the board. Is there an easy way of finding what versions of the FPGA Eval boards offer this? Do any of the current generation of FPGA Eval Boards offer the newer FT600/FT
  3. I've measured the Analog Discovery 2 drawing a current of 510 mA over USB. The USB 2.0 specification [1] dictates that devices shall not draw an absolute maximum current greater than 100 mA before configuration and shall not draw an absolute maximum current greater than 500 mA once configured. It appears to me that the AD2 is not compliant with the USB 2.0 specification. This could explain the Waveforms 2015 errors messages that I reported in another thread on this forum [2]. Measurements were taken on a "warm" AD2 that had already been operating; I anticipate peak current on an AD