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Re: [lpc2000] Re: IAP successfully used in LPC2119/2129/2194/2292/2294?

2004-07-14 by Robert Adsett

At 08:36 PM 7/14/04 +0000, you wrote:
>--- In lpc2000@yahoogroups.com, "Leighton Rowe" <leightonsrowe@y...>
>wrote:
> > Yeah, I see it in the manual. It's very wierd that I still got good
> > writes & erases when I passed in frequencies other than cclk with
> > PLL enabled. Sorry to be a thorn though but can someone explain why
> > and/or how PLLs can affect IAP alternate writes & erases?
>
>Only Philips knows the internals of the flash code.  philips_apps?

True, but a pretty intelligent guess would be that it uses the frequency 
for timing programming pulses.  You can program a lot of memories with 
wrong pulse timings and have them work but the long term reliability will 
be suspect.

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,
be they legal, genetic, or physical.  If you don't believe me, try to
chew a radio signal. "

                         Kelvin Throop, III

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