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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: port timing

2005-04-10 by leon_heller

--- In lpc2000@yahoogroups.com, "Gennady Palitsky" <gennadyp@j...> 
wrote:
> Thanks a lot for the reference.
> Too bad it's not documented anywhere in Philips' papers.
> 
> So it seems that the BEST result I can get with loading consecutive 
data 
> from flash and storing at a port is 10 cycles...
> (what with my 14.318MHz clock is ~230nS, actually a bit more then 
3.7MHz).
> 
> Is there ANY way aroung it? Since I need a byte every oscillator 
cycle (3 
> cpu cycles), the only way I see is to output 4 bytes at a time to 
pld and 
> multiplex it 4 times - every oscillator cycle.
> 
> Any ideas?
> 
> BTW, is there any group archive anyhere?

The group is archived here. The search facility isn't very good, you 
have to step through lots of pages.

Leon

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