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???
03/27/07 03:45
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#135946 - Look some more....
Responding to: ???'s previous message
You'll also find dual and quad versions of the 16c450 - TL16C554

at www.ti.com. There's also a fair chance you'll find the dual ones on older PC motherboards.

I have no doubt the 8251 is cheap, its also obsolete and braindead! Also, its bus speed means it will probably only work with old generation 12 clocker 8051s.

List of 16 messages in thread
TopicAuthorDate
Clock out            01/01/70 00:00      
   External oscillator            01/01/70 00:00      
      External oscillator            01/01/70 00:00      
         It depends on what's required            01/01/70 00:00      
            stand alone osc            01/01/70 00:00      
               Digikey            01/01/70 00:00      
   Timer 2 clock output            01/01/70 00:00      
      Timer 2            01/01/70 00:00      
   PCA output            01/01/70 00:00      
      Thanks!!! problem solved            01/01/70 00:00      
   Better peripheral            01/01/70 00:00      
      NXP has oodles and bunches of            01/01/70 00:00      
      16c550            01/01/70 00:00      
         does the 82xx thingy have 4 UARTS?            01/01/70 00:00      
         Look some more....            01/01/70 00:00      
            so obsolete that even DigiKey does not have it            01/01/70 00:00      

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