Re: Fully unrolled RC5 on FPGA
Steven Nikkel <steven_nikkel-WeBCG/[email protected]> Mon, 13 Nov 2006 11:47:55 -0600 (CST)
| Newsgroups | gmane.comp.distributed-net.hardware |
|---|---|
| Message-ID | <[email protected]> |
3.3v PCI might be a mistake, its still pretty rare in a standard 32bit slot. On Mon, 13 Nov 2006, John L. Bass wrote: > Date: Mon, 13 Nov 2006 10:35:20 -0700 > From: John L. Bass <jbass-/[email protected]> > Reply-To: Hardware <hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected]> > To: hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected], jbass-/[email protected], [email protected] > Subject: Re: [Hardware] Fully unrolled RC5 on FPGA > > Layout for one of these chips for a 3.3V 32bit PCI is a long days work. > I tend to use pcb on sf.net, an older version that's pretty fast. My > local PCB house is pretty reasonable with 1 wk turn on 6 layer. If we > keep this a pretty simple card (small pci form factor) they would be > pretty cheap in a short run. > > Question is, what else would people want on the card ... SRAM? SDRAM? > > Other than layout time and increased board size, isn't much cost to > adding a few simple things. I'd suggest configuring it from a small > JTAG PLD tied to a CF socket on the back panel. That way you can > easily change it's code by swapping CF cards when it's dead, and when > it's working, write the CF from a PCI utility thru the FPGA. > > Will have to check that XCV4's can actually be connected to a 3.3V PCI > bus directly. May have to use an older FPGA as the PCI bus controller. > > As for PCI express, that's not a hobby project ... some serious engineering > and significant IP in cores. > > John > > Date: Mon, 13 Nov 2006 12:05:23 -0500 > From: Martin Klingensmith <[email protected]> > > Me too, considering what you were saying in the past. > I'm going to bet that there would be a dozen people interested in PCI > boards. Much more if it was versatile for other applications (it would > be dumb not to). > I assume the V4 has LVDS for PCI express applications. It might make the > board cheaper/smaller. > -- > Martin K > > John L. Bass wrote: > > I'm currious what the power/heat are. > > > > John > _______________________________________________ > Hardware mailing list > Hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected] > http://lists.distributed.net/mailman/listinfo/hardware > --- Steven Nikkel steven_nikkel-WeBCG/[email protected] _______________________________________________ Hardware mailing list Hardware-Ra3b/QYEcJ3d140v2zMXi0fjHoOT/h/[email protected] http://lists.distributed.net/mailman/listinfo/hardware