On Fri, Feb 03, 2006 at 02:38:36PM -0000, Alan B. Pearce wrote:
> >I'm not sure I get this yet... What's wrong with
> >using the modem pins of a serial port? Or is this
> >what you are thinking of using?
> 
> That is exactly what he is wishing to do, but part of the discussion has
> revolved around how timings are unreliable when using USB-Serial interfaces.

Bingo.

> Personally I suspect the most reliable way to do it would be a USB-Printer
> port set up as a basic text only printer, and then fed repeated characters
> with one bit of the ASCII character being the clock, and one bit the serial
> data.

I think strobe is guaranteed. So theoretically one could simply use it to
latch the data.

> Still does not give the feedback path, and would probably need three
> characters to clock one bit into the chip. Also if you streamed the data out
> the port, the chip may FIFO buffer it, and stream it into the chip too fast
> for it to write to the Flash.

All possible too. It would require some testing.

BAJ
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