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| kubast2 | Yo is it possible to know kind of, what's the maximum bitstream size that a chip supports? I have no clue atm what eeprom size I should use | 17:18 |
|---|---|---|
| kubast2 | Yeah tbf it is a dumb question | 17:21 |
| kubast2 | But I just don't know, a good size to use, for something like "ICE40HX1K-TQ144" | 17:22 |
| kubast2 | from what I can tell, the bitstream size depends on a project, I haven't tried anything big, but for a board that uses a different ICE40 model the size seems to vary between 40-132KiB | 17:25 |
| agg | the lattice docs for the ice40 tell you the maximum sizes, one sec | 17:26 |
| kubast2 | I tried looking those up, I didn't ctrl+f well enough then, sorry for the trouble | 17:27 |
| agg | you want the iCE40 programming and configuration technical note, pg18, table 9.2 | 17:27 |
| agg | https://imgur.com/a/Ms1wlnm | 17:28 |
| tpb | Title: Imgur: The magic of the Internet (at imgur.com) | 17:28 |
| kubast2 | cool, I were only looking up documents provided by farnell | 17:28 |
| agg | farnell sell ice40? huh | 17:28 |
| kubast2 | yeah | 17:28 |
| kubast2 | tqfp package | 17:29 |
| agg | you'll want to get all the ice40 technical docs, the datasheet's definitely not got everything | 17:29 |
| agg | but yea, that table is hidden away and is what you want for this | 17:29 |
| agg | ah weird, i see they are "no longer stocked" on the bga ones but carry a few of the hx1k-tq144 | 17:30 |
| agg | weird | 17:30 |
| agg | http://www.latticesemi.com/ice40 for hx/lp/lm parts, grab the ice technology library, ice40 hardware checklist, perhaps pinout, programming nad configuration, sysclock/pll, memory usage guide, probably all useful | 17:31 |
| tpb | Title: iCE40 LP/HX/LM - Lattice Semiconductor (at www.latticesemi.com) | 17:31 |
| agg | the "pcb layout recommendations for leaded packages" might be helpful for the tqfp part too | 17:31 |
| kubast2 | thanks I think I have grabbed it all, and a bit more; | 17:45 |
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