Thursday, 2020-12-24

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Jay_jayjayDoes anyone have any idea how to add more GPIO to the Fomu?22:07
tntyou'd have an easier way re-spinning a new board ...22:10
Jay_jayjaytrue......22:11
Jay_jayjaywell, I need to have some way to interact with my primative circuit22:12
Jay_jayjaythat doesn't involve some weird USB/whatever22:12
tntif you're not using USB you can use D+ / D- as gpio :)22:13
tntif you don't use SPI you can also just keep CS high for the flash to be disabled and then you can reuse clk/mosi/miso.22:14
Jay_jayjaybut I need to program...22:14
tntyou can have those IO connected/disconnected if/when you program.22:15
tntbut as I said ... pretty much easier to spin a board.22:15
Jay_jayjayok, ig that works22:15
Jay_jayjayyeah, ig this is more for SW oriented people22:21
Jay_jayjayi could use the RGBLED22:21
tntbeware that the RGB led signals are open drain. Not normal IOs.22:23
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Jay_jayjay... I suppose other fpgas don't have that many ios either22:26
tntWell they have more than 4 :)22:26
tntEven this FPGA has more ... it's just the board that breaks out very few of them.22:26
Jay_jayjayyes22:38
Jay_jayjayalso, do you know the ordering of SB_LUTs?22:38
tntordering ?22:38
Jay_jayjayok, i figured it out22:41
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