[flashrom] UBW32 flashing LPC/FWH in 4secs

Joseph Smith joe at settoplinux.org
Thu Mar 3 17:30:29 CET 2011


On 03/03/2011 10:50 AM, Joseph Smith wrote:
> Hey the UBW32 (http://www.schmalzhaus.com/UBW32/) has enough I/O (78)
> pins to be able to flash LPC/FWH chips in programming mode or A/A Mux
> mode. In this mode you are able to flash in 8bit bytes instead of 4bit
> nibbles. A few of the datasheets I have seen says in this mode a 256K
> chip could be flashed in approx 20us. That is friggin fast!!! The only
> thing that would some what slow it down is USB. But, the UBW32 is
> detected as a USB HID device and you can do data transfers over serial
> console. I think this is a major discovery I will be looking into.
> Thoughts? Comments?
>
> FWI the UBW32 dev board from SparFun is $40 and has a built in 3.3v
> voltage regulator, mount it on a daughter board with a socket you would
> have a smoking fast programmer for about $50 :-)
>
>
Correction: "Byte-Program time of 20μsec" "The entire memory can be 
erased and programmed byte-by-byte typically in 4 seconds"

But that is still really fast!

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org




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