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???
07/21/11 08:23
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 		 #182945 - Requirements
Responding to: ???'s previous message
Michael Karas said:
Before you go grubbing for free code you have to get a far better grip in the hardware requirements.

Before you do anything you need a good definition of the Requirements of your project.

Based on those Requirements, you would choose suitable hardware to meet the requirements.
eg, if having non-volatile storage is a requirement, then it probably makes sense to choose a processor with non-volatile storage.

What was your particular reason for choosing the P89LV51RD2FN ?
Is it just that you happen to have one to hand?



List of 37 messages in thread
TopicAuthorDate
about P89LV51RD2FN            01/01/70 00:00      
   use DATA RAM as EEPROM            01/01/70 00:00      
   Do you want read-only?            01/01/70 00:00      
      external memory chips            01/01/70 00:00      
   Data Ram ? Not!!            01/01/70 00:00      
      Requirements            01/01/70 00:00      
         shifting of EEPROM            01/01/70 00:00      
            You want to remove external EEPROM - why?            01/01/70 00:00      
            The 93C46 is only 128 bytes            01/01/70 00:00      
            So why choose the P89LV51RD2FN, then??            01/01/70 00:00      
               IAP            01/01/70 00:00      
                  Harvard Architecture            01/01/70 00:00      
                     IAP vs External Serial EEPROM            01/01/70 00:00      
                        Serial EEPROM            01/01/70 00:00      
                           MOVX or MOVC is fairly similar            01/01/70 00:00      
                              choose an MCU with proper eeprom            01/01/70 00:00      
   the P89LV51RD2 can support this            01/01/70 00:00      
      already mentioned            01/01/70 00:00      
      erase & write            01/01/70 00:00      
         Why make life difficult for yourself?            01/01/70 00:00      
            another chip            01/01/70 00:00      
               Choose carefully!            01/01/70 00:00      
               P89LV51RD2FN IAP write endurance            01/01/70 00:00      
                  elegant solution?            01/01/70 00:00      
                     better one            01/01/70 00:00      
                        Check out this one...            01/01/70 00:00      
                           availability?            01/01/70 00:00      
                              I'll Admit....            01/01/70 00:00      
                                 Atmel parts availability            01/01/70 00:00      
                                    Onchip nonvolatile RAM            01/01/70 00:00      
                                       Link.            01/01/70 00:00      
                                       Happy With Package Options ?            01/01/70 00:00      
                                          about plcc package            01/01/70 00:00      
                                             If you're changing the package anyhow...            01/01/70 00:00      
                                                selection of plcc            01/01/70 00:00      
                                                   Why socket?            01/01/70 00:00      
            an alternative            01/01/70 00:00      

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