[sdiy] Proposed DSP board

[Neil Johnson]

Hi,

Rainer Buchty wrote: 
> On Thu, 22 Jan 2009, cheater cheater wrote:
> 
> > I think Neil might be refering to the fact that FPGAs used to be
> > one-time-burn-only (they're not anymore)
> 
> They never were. In fact, Antifuse-FPGAs are the exception from the 
> norm, FPGAs (as invented by Xilix) were always SRAM-based.

Original (F)PLAs and (F)PALs on the other hand started off as fuse (PROM) based, and only became reprogrammable later in life (Lattice Semi, I believe, hitting the market first with their EEPROM-based "isp" devices).

Neil
--
http://www.njohnson.co.uk