Saturday, 2021-05-22

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tcalIs the Lattice Crosslink VIP Sensor Input board able to run LiteX by itself, or only if attached to another board?22:51
zypI don't see why it wouldn't, since there's a fpga on it22:53
gatecattcal: it needs power from the board below it22:56
gatecatI ended up bodging on a 3.3V regulator so it could run standalone22:57
gatecathttps://usercontent.irccloud-cdn.com/file/qQK4kPEg/20201021_123936.jpg22:58
gatecatit's not a great pic, but basically reg from USB 5V to 3.3V, and wire from USB 5V to the other 5V test point22:58
gatecatthe exact test point numbers should be on the schematic22:58
tcalBoth 5p0 and 3p3 voltages are needed?23:11
tcal(thank you for the help!)23:12
tcalgatecat: It gets the 5v directly from the USB?   So i only need to additionally supply the 3p3 ?23:14
gatecatyeah23:14
tcalAh, i already have the voltmeter out, I'll go check.   Does the LEDchaser work?23:15
tcalOh, i get it, TP1 supplies the 5v to V5P0 via the red wire, and to V3P3 via the regulator.   I notice you didn't short JP2 --- the LiteX platform file (in litex-boards) mentioned that it should be closed.   I'm going to use a separate FTDI for uart, so maybe I don't need it.   https://github.com/litex-hub/litex-boards/blob/master/litex_boards/platforms/lattice_crosslink_nx_vip.py#L1623:27
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