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Frieder Ferlemann
11/17/05 16:31
Read: 707 times
Old Europe

#103872 - cypress fx2, DMA, USB 2.0
Responding to: Ravi Shankar Ks's previous message
if monitoring more than 2 pins using the PCA will have it's limitations.

You might consider using an 8051 derivative from cypress CY7C68013.
This one cannot boast a single cycle core but it has a quite capable xdata DMA modus and an USB 2.0 interface.

I don't know from where you start and what your rationals are but eventually this might be interesting:

and I guess (note: I've not been there, not tested it and providing this just as a guess), you eventually can just connect the pins you want to monitor instead of the ADC there:

(Maybe add a latch or so...)

Know what you're doing!


List of 12 messages in thread
Digital Pattern Logging (logic analyser)      Ravi Shankar Ks      11/15/05 09:42      
   your pictures      Jan Waclawek      11/15/05 09:50      
   try a f12x the PCA can clock at 100 MHz      Erik Malund      11/15/05 09:50      
      Thanks JW for
 and EM for PCA      
Ravi Shankar Ks      11/15/05 10:05      
   logic analyser      Jan Waclawek      11/15/05 10:09      
      just for fun, I calculated it for a f120      Erik Malund      11/16/05 10:29      
         cost per value      Jan Waclawek      11/16/05 13:43      
            as I said, "just for fun"      Erik Malund      11/16/05 13:55      
         Error, or ...      Slobodan Mandaric      11/17/05 02:36      
            instr.timing on 1clockers      Jan Waclawek      11/17/05 05:31      
            The f12x is a 1 clocker and, as many red      Erik Malund      11/17/05 06:11      
   cypress fx2, DMA, USB 2.0      Frieder Ferlemann      11/17/05 16:31      

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