Richard Smith wrote: > I just got back from an extended stay in Asia and while I was there was > introduced to a nifty little device for SPI flash chips. When the mfgs > all switch to SPI it may actually be much easier to deal with non-socket > flashes. > > http://www.dediprog.com/product.php?UID=12 > > $275 US gets you a programmer + the hardware to hook it up to your board. > > The way it works is by asserting the HOLD pin on the SPI flash which > almost all SPI flash parts have. So the flash thats soldered on board > is suspended and you boot from the one in the adapter. > > The only requirement is to have the HOLD pin pulled up via a resistor > rather than tied directly to the SPI part's Vcc. Even if it is tied > directly to Vcc working around it would only involve cutting a single > trace or lifting the HOLD pin. > This is what I started working on with the PLAICE project http://flash-plaice.wikispaces.com. Looks like about the same features only we add a logic analyzer to the mix for under $200.
-Bari -- linuxbios mailing list [email protected] http://www.linuxbios.org/mailman/listinfo/linuxbios
