Lpc2000

but you pass the clock freq. to the IAP at run time!!! why on earth 
philips wants you to program thier boot loader  then program your 
boot loader then program your firmware!!!!!!!!! Can you imagine the 
cost of doing this for 1000 chips?

My point is, this is done WRONG and Philips better fix it.

--- In lpc2000@yahoogroups.com, Robert Adsett <subscriptions@a...> 
wrote:
> At 10:23 PM 11/17/04 +0000, you wrote:
> >Why is the oscillator frequency needed in the first place? Isn't 
the
> >interface baud rate detected by the bootloader?
> 
> Timing, They need to know the speed of the clock so they can 
determine the 
> timing for programming the flash.  IE 6 counts at 20Mhz and 12 
counts at 
> 10MHz in some internal timing loop.
> 
> The information has to come from somewhere.  The Analog Devices 
chips don't 
> need it (in a similar case) since they only allow a single Xtal 
frequency.
> 
> 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