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???
07/20/09 10:17
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#167588 - because they are cheap
Responding to: ???'s previous message
Omar Shacker said:
My friend requires me to work on any of these MCUs because they are cheap

Do be sure that your friend understands that, although the chips themselves may be "cheap", the cost of development may be disproportionately high due to the poor level of support.

We have not asked him for the ISP code or firmware, and we are not planning to do so.

Any particular reason why not?

Again, it would really help if you explained why you are not doing this - as it really does seem like the obvious way to proceed!

Have you tried asking him your questions about the ISP - having done it, he must surely know what is required, and should be able to advise what you need, what is suitable, etc...

I don't know where to start with extrtacting the ISP firmware from an existing MCU

Then why not just ask the original coder?!



List of 13 messages in thread
TopicAuthorDate
Do I need parallel programmer for SM5964            01/01/70 00:00      
   do I really have to ask their manufacturers            01/01/70 00:00      
   New but not sounding so enthusiastic!!            01/01/70 00:00      
      What an answer..            01/01/70 00:00      
         How to get good answers            01/01/70 00:00      
         RE: This is my first run on 8051            01/01/70 00:00      
            AVR and PIC            01/01/70 00:00      
               because they are cheap            01/01/70 00:00      
               Sounds Like A Dead End            01/01/70 00:00      
                  kinda compulsory            01/01/70 00:00      
                     Fair enough, then!            01/01/70 00:00      
                        I will work on the standard ISP FW then..            01/01/70 00:00      
                           How many micro's will you use in production            01/01/70 00:00      

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