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???
07/18/06 05:42
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 		 #120436 - Waferscale PSM, uPSD
Responding to: ???'s previous message
Neil Kurzman said:
Someone used to, I can not remember the name. They were bought up. I am not sure if they still make them. They had RAM, ROM, and I/0
Wafer Scale!!! With the low price of single chip solutions it is not as big a deal now.

Waferscale were acquired by ST - and the PSM devices are still available.

http://www.8052.com/tutflash.phtml

They have also evolved to include an on-chip 8051 - in the uPSD range.

http://www.8052.com/forum/read.phtml?id=81257




List of 98 messages in thread
TopicAuthorDate
interfacing 8155            01/01/70 00:00      
   First step            01/01/70 00:00      
      what IS 8155?            01/01/70 00:00      
         a RIOT            01/01/70 00:00      
            I just had a look            01/01/70 00:00      
               It is older,            01/01/70 00:00      
               it can SEEM to you all you like, but ...            01/01/70 00:00      
                  It is NMOS            01/01/70 00:00      
                     Yes, it's NMOS, but that's no problem            01/01/70 00:00      
                     Also in CMOS            01/01/70 00:00      
                     Waferscale PSM, uPSD            01/01/70 00:00      
                  Proud to be a dummy from time to time...            01/01/70 00:00      
                     \'help\' and \'help\'            01/01/70 00:00      
                     Sadly, one can't tell the difference            01/01/70 00:00      
                        Old man's rant!            01/01/70 00:00      
                           not all, but most            01/01/70 00:00      
                           True            01/01/70 00:00      
                        I can't sit back anymore            01/01/70 00:00      
                           advice that do not coddle you you should try to ge            01/01/70 00:00      
                           Every Enginner            01/01/70 00:00      
                           It's the same old thing ...            01/01/70 00:00      
                              communication            01/01/70 00:00      
                                 The communication problem's yours, too            01/01/70 00:00      
                              I did, several times, and in all cases (s)he was            01/01/70 00:00      
                                 Well, your boss was clearly a moron            01/01/70 00:00      
                                    1.000.000 miles off target            01/01/70 00:00      
                                       Try Google ... it\\\'s straighten you out            01/01/70 00:00      
                                          I'd be that anyway            01/01/70 00:00      
                                             Nevertheless, you've no business in this case            01/01/70 00:00      
                                                if the OP is on the road to perdition or the road            01/01/70 00:00      
                                       That's one mile, to great precision.            01/01/70 00:00      
                                          based on which side of 'the pond' you write to.            01/01/70 00:00      
                  in fact ther is/was            01/01/70 00:00      
      elaboration            01/01/70 00:00      
         code            01/01/70 00:00      
            you're going to get into trouble            01/01/70 00:00      
         Erik, why do you always do this?            01/01/70 00:00      
            answered in my other responses today            01/01/70 00:00      
               Isn't it obvious?            01/01/70 00:00      
                  Here is an issue: if, when questioned on the choic            01/01/70 00:00      
   It begs the question            01/01/70 00:00      
   PLZ SEE THIS            01/01/70 00:00      
      DON'T SHOUT!            01/01/70 00:00      
         what dont shout???            01/01/70 00:00      
            ALL CAPS = Shouting            01/01/70 00:00      
               but i tried with memory mapped            01/01/70 00:00      
                  Well I'm confused!            01/01/70 00:00      
                     If you know the history ...            01/01/70 00:00      
                  You're still guessing            01/01/70 00:00      
                  Clearly, more information is needed!            01/01/70 00:00      
                     How to post schematics & code            01/01/70 00:00      
                        the problem is ...            01/01/70 00:00      
                           Then            01/01/70 00:00      
                              Better way            01/01/70 00:00      
                                 Google says            01/01/70 00:00      
                  Ok            01/01/70 00:00      
                     The secret of good interfacing...            01/01/70 00:00      
            XBY(ADDRESS) - incomplete?            01/01/70 00:00      
   connection            01/01/70 00:00      
      How about IO/M?            01/01/70 00:00      
      Missing Connection            01/01/70 00:00      
      two things that do not jive            01/01/70 00:00      
         ! - / *            01/01/70 00:00      
         Jive Bunny            01/01/70 00:00      
            not at atll, as long as there is a notation of \'tr            01/01/70 00:00      
            If the OP had considered the signal levels, he wou            01/01/70 00:00      
               Actually Erik...            01/01/70 00:00      
                  YES I misread - no excuse.            01/01/70 00:00      
   it is amzing to me            01/01/70 00:00      
      It doesn't matter whether it is old or new            01/01/70 00:00      
         I'm sure you have not            01/01/70 00:00      
            Of that there can be no doubt ...            01/01/70 00:00      
         But is it worth it?            01/01/70 00:00      
            Yes ... but ... and it's a big BUT ...            01/01/70 00:00      
               not that suggestion, but this one            01/01/70 00:00      
               Programmer??            01/01/70 00:00      
                  and for the rest ...            01/01/70 00:00      
                  Hogwash!            01/01/70 00:00      
                     no need to wash the hog            01/01/70 00:00      
                        Really?            01/01/70 00:00      
                           nitpicking            01/01/70 00:00      
                              Once again you demonstrate your narrow view            01/01/70 00:00      
                                 your "narrow view" takes you outside the audience            01/01/70 00:00      
                                    Why Indians like 8155/8255            01/01/70 00:00      
                                       I/O expansion is not pantyhose, one size does            01/01/70 00:00      
                                          Didn\'t you read the previous post?            01/01/70 00:00      
                                             whatever, you say you can not get me to say that w            01/01/70 00:00      
                                          of course I did not, i answered without reading th            01/01/70 00:00      
   And with all these many highly on-topic posts...            01/01/70 00:00      
      I do not, do any of you?            01/01/70 00:00      
         What would YOU suggest? ... be specific            01/01/70 00:00      
   thanks a lot            01/01/70 00:00      
      Sorry, but            01/01/70 00:00      
      Current Technology            01/01/70 00:00      
      the typical response            01/01/70 00:00      
         This has happened before.            01/01/70 00:00      
      What an unfriendly reply after all our efforts...            01/01/70 00:00      
         Not so sure...            01/01/70 00:00      

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