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help:can you tell me the programming sequence of 8749

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stone2river

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hello everyone.
I am from china. Now I was in trouble with designning a interface with an old device controled by 8749, an old mcs48 series microcontroller. The chip is so old that any device i have now cannot read it. So what i can do is setting up a circuit to read it. But i had no idea of how to read the program from 8749. I cannot find it in the datasheet.

can anyone help me?
 

h**p://www.coprolite.com/8048.html
Really a good site

h**p://home.mnet-online.de/al/mcs-48/mcs-48.pdf
this link doesn't work, could you re-write a good working link?
 

It works for me. Must be some transient on the net. The document there is called "Grokking the MCS-48 System", try googling.

wek
 

thankyou very much .I have got the article.Just what i need.
I will take a holiday and i will use the holiday to design a system to analyse the instruction in 8749.

thank you very much
 

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