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TinyFPGA Boards

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The web site does not work 100% as there are some broken links, but all the pages are there. They currently offer three boards, A1/A2 provide two sizes of the Lattice XO2, the 256 and 1200. These two boards are basically just break out boards with nothing else other than decoupling caps and a ferrite bead. The B2 board uses the ICE40LP8K and comes with an SPI flash chip, a

16 MHz clock, PSU chips and a USB programming interface.

One thing I noticed is that the TinyFPGA-B2 doesn't have a USB interface chip on it. The USB data pins go directly to the ICE40 chip. To the best of my knowledge there is no USB interface on the ICE40 chip. So I don't get how this boots up the chip. Maybe they have a way of faking out the USB interface with a special driver, but that doesn't sound very plausible to me.

Anyone know much about the TinyFPGA boards?

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Rick C 

Viewed the eclipse at Wintercrest Farms, 
on the centerline of totality since 1998
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