Ah that makes sense. Well my components came in and I just built 2 boards. Destroyed 1 with my grinder before even starting. hah
Now I'm waiting for a xilinx programmer to arrive. I don't know of these are programmable with some other generic spi programmer or what. I haven't looked into the software at all yet. https://goo.gl/photos/7wRjuTUDv6cojpjU9 On Jan 20, 2017 11:12 AM, "Stephen Adolph" <[email protected]> wrote: > Yah glad that worked! > > One of the issues with Rex is 5V compatibility. That's why the design has > to use old parts..no room for level shifters. > > So yes, old flash and old cpld. However both are commonly on ebay. > > ..steve > > > On Friday, January 20, 2017, Brian White <[email protected]> wrote: > > "I already happen to have an 8-bank PG Designs board." > > ... which I believe it was Steve Adolph who who supplied the missing > software to get that actually working, so, thanks yet again Steve! > > > > -- > > bkw > > On Fri, Jan 20, 2017 at 9:39 AM, Brian White <[email protected]> wrote: > >> > >> I didn't order quad boards because I already happen to have an 8-bank > PG Designs board. (Well, 7 bank plus the original 1, total 8. The PGDesigns > one doesn't conflict with or displace the internal ram.) I'll probably > still do a set of quads anyway sometime. > >> > >> But I ordered a set of Rex boards and all the parts to populate them, > but still waiting for the stuff to arrive. > >> My digikey parts came in just yesterday, which is all components except > the flash. The pcbs have shipped so I migh even get them today. That just > leaves the flash ram. Had to order that from another site. That should show > up any day now too. > >> > >> There are experiences already: > >> The flash ram is apparently already obsolete and hard to source. > >> Maybe there are other equivalents that could be swapped in, and I just > don't know them. The data sheets for a part like that are a little > complicated to be sure about figuring out a substitution. I didn't even try. > >> Digikey didn't have it, but I got some from Verical. > >> > >> Had to guess at some values. > >> What voltage for the caps? I chose 16v. > >> What power rating for the resistors? I chose 1/4w. > >> I guess no one can help the ram going obsolete. That will just always > happen rapidly forever I guess. > >> -- > >> bkw > >> > >> On Thu, Jan 19, 2017 at 1:10 PM, Mike Stein <[email protected]> > wrote: > >>> > >>> From Bitchin100: > >>> > >>> QUAD circuit board is now available on OSHPARK. You can build your > own! > >>> Let's get any and all build information and experiences people have > captured here... parts lists, tips etc. Can't find it; could you paste a > link, please? > >>> > >>> And while I'm at it, is the 8K board shared anywhere? > >>> > >>> TIA, > >>> > >>> m > >> > > > >
