Subject: 
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            E Series MCUs
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            Newsgroups: 
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            lugnet.robotics.handyboard
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            Date: 
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            Fri, 15 May 1998 14:32:26 GMT
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            Original-From: 
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            Mike Davis <ipscone@SPAMCAKEhalcyon.com>
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            Viewed: 
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            2148 times
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      I am using an 811E2 part in my handyboard with IC.  It is supposed to 
have problems with this chip.  I have not disabled the EEPROM but it 
still seems to work. 
 
I have been having a problem finding the A1FN part.  I do not want to 
buy anymore of the 811E2 parts but I can find the E1FN part.  I would 
like to ask a question to those who have experience with these 
EEPROM parts. 
 
I have been told that the 811E2 part will not work with IC because 
the EEPROM overlaps the SRAM. So, why does mine work?  What kind of 
problems can I expect by using this part?  The config reg. in this 
part, apparently, gets reset back to the original location after 
every reset.  I would like to move the EEPROM to some other location, 
maybe 2000Hex to make my handyboard completely compatible.  How can I 
do this if the config reg is continually reset?  What specific? 
 
Assuming the E1 is a better part than the 811E2 for the 
handyboard,... 
 
How compatible is the E1FN (512 EEPROM) part with the handyboard? 
What specifically is required to get it to work? 
-- 
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ipscone@halcyon.com                                 Shoot-To-Win! 
 
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