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???
01/15/07 14:37
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#130826 - AT89LV55?
Responding to: ???'s previous message
There are a few 3V drop-in replacements - however, I am not sure whether any of them can be clocked at 20MHz (not the Atmel one).

Also, if the application permits to spend a few extra bucks, there is a selection of 6-clockers, some of which can comfortably run at 3V/10MHz performing exactly as "conventional" 12-clocker at 20MHz (watch out for proper setting of core and peripheral clock "divider").

Of course I know this is probably not a solution just more of confusion for the OP... I am just listing the options...

JW


List of 27 messages in thread
TopicAuthorDate
AT89C55WD UART voltages.            01/01/70 00:00      
   Level translation            01/01/70 00:00      
      Thanks for that.            01/01/70 00:00      
   Real?            01/01/70 00:00      
      Real            01/01/70 00:00      
         Reak!            01/01/70 00:00      
            Voltage.            01/01/70 00:00      
               Pins            01/01/70 00:00      
                  Pins            01/01/70 00:00      
                     the peculiar port structure of '51            01/01/70 00:00      
               The Socket            01/01/70 00:00      
                  Socket            01/01/70 00:00      
                     HW issues            01/01/70 00:00      
                        I am on the road, but someone can verify            01/01/70 00:00      
                           SN74LVC4245A            01/01/70 00:00      
                              5V->3V conversion and vice versa            01/01/70 00:00      
                                 If this is CMOS            01/01/70 00:00      
                                    No insistance.            01/01/70 00:00      
                                       a link would be nice            01/01/70 00:00      
                        PLCC44            01/01/70 00:00      
   why AT89C55WD?            01/01/70 00:00      
      Read the thread!            01/01/70 00:00      
      AT89LV55?            01/01/70 00:00      
   What is the blue tooth module?            01/01/70 00:00      
      Module            01/01/70 00:00      
         modules            01/01/70 00:00      
         Modules            01/01/70 00:00      

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