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tcal | Is the Lattice Crosslink VIP Sensor Input board able to run LiteX by itself, or only if attached to another board? | 22:51 |
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zyp | I don't see why it wouldn't, since there's a fpga on it | 22:53 |
gatecat | tcal: it needs power from the board below it | 22:56 |
gatecat | I ended up bodging on a 3.3V regulator so it could run standalone | 22:57 |
gatecat | https://usercontent.irccloud-cdn.com/file/qQK4kPEg/20201021_123936.jpg | 22:58 |
gatecat | it's not a great pic, but basically reg from USB 5V to 3.3V, and wire from USB 5V to the other 5V test point | 22:58 |
gatecat | the exact test point numbers should be on the schematic | 22:58 |
tcal | Both 5p0 and 3p3 voltages are needed? | 23:11 |
tcal | (thank you for the help!) | 23:12 |
tcal | gatecat: It gets the 5v directly from the USB? So i only need to additionally supply the 3p3 ? | 23:14 |
gatecat | yeah | 23:14 |
tcal | Ah, i already have the voltmeter out, I'll go check. Does the LEDchaser work? | 23:15 |
tcal | Oh, 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#L16 | 23:27 |
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