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89420 PROGRAMMER QUESTION?

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aamiralikhoja

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Hello

I have downloded loade420 from Dallas site .And connect the Circuit


as given in Application note but circuit refuse to work . loader

give folowing error no response on reset from 420 make sure

cable is connected ........ . .what is problem.
 

Check this out:

If this link still doesn't solve your problem, come back, and we will analize this issue ..
Regards,
IanP
 

dear

Link contains no information to my question.

regards
 

First of all, have you downloaded the right tool? You should be using so called MKT (Microcontroller Tool Kit) and this one if nothing is connected should display the following:
<0D><0A>
<0D><0A>
<0D><0A>
<0D><0A>
<0D><0A>
Unable to establish communication with target.
Check connection to target system or consult help files.
If you don't have it you can download it from:
**broken link removed**
Regards,
IanP
 

Check your cable, your ground, search this site for the schematic of the programmer.
 

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