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???
04/13/06 14:54
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 		 #114215 - some will be very tempted to do so.
Responding to: ???'s previous message
This is not needed because of designing with the old chip, but to know, if a lately discovered bug in the system might be a consequence of using an older revision of the chip (been there).

Some will be very tempted to do so.

http://www.8052.com/forum/read.phtml?id=113270

I think that if I REALLY scrounge around in boxes etc I might find a HMOS '51 and a 8255, it would be totally absolutely crazy to use them.
I always wonder why someone want to save $1 for a decoder and use a 8255 "on hand" instead, then pay $10 for the aspirin needed to handle the use of the 8255 that saved $1.
A good example of so called "savings" is that since an Atmel 'S' type cost $1 less than a Rx2 type many spend $20 building a programmer for the 'S' which would not be needed if they used a Rx2.

Erik

PS: the $ figures above are approximate.

List of 32 messages in thread
TopicAuthorDate
8052.COM datasheet repository?            01/01/70 00:00      
   copyright?            01/01/70 00:00      
   Keil?            01/01/70 00:00      
   why            01/01/70 00:00      
      Repair & Replacement            01/01/70 00:00      
         OK a) I'll buy,            01/01/70 00:00      
            There are urgent requirements            01/01/70 00:00      
               that one does not require a datasheet            01/01/70 00:00      
                  it's a matter of perception            01/01/70 00:00      
                     which browser do you use?            01/01/70 00:00      
                        that's not the problem            01/01/70 00:00      
                           did'nt look            01/01/70 00:00      
                              maybe, but probably not            01/01/70 00:00      
                                 I wouldn't do it any other way - no PCB,            01/01/70 00:00      
               87C575 datasheet            01/01/70 00:00      
                  bad example, perhaps            01/01/70 00:00      
      another reason            01/01/70 00:00      
         some will be very tempted to do so.            01/01/70 00:00      
            question            01/01/70 00:00      
               You use whats to hand            01/01/70 00:00      
               I have often been caught with a request            01/01/70 00:00      
            Wrong emphasis?            01/01/70 00:00      
               a most honorable excersize            01/01/70 00:00      
                  i need to write shorter sentences...            01/01/70 00:00      
                     you can't            01/01/70 00:00      
   not all roads lead to datasheets            01/01/70 00:00      
   Datasheets            01/01/70 00:00      
      Already existing            01/01/70 00:00      
         Yes, they're there, but...            01/01/70 00:00      
   Ive got a cd full of them            01/01/70 00:00      
      Only one CD?!            01/01/70 00:00      
         I was a boy sprout            01/01/70 00:00      

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