AW: Bit (g)one?

[Ullrich at kapsch.net]

	Hallo Maarten!

	>A broken bridge rectifier killed several ic's in my bit one. I
replaced
	>a couple ic's including the main µp. Another µp is used to generate
	>keyboard codes, this one got  smoked too. This µp is an 805118. I
looked
	>on the internet for a data sheet but I can't find it. The schematic
	>tells me it's an ordinary 8051. 

	You are completely right!

	>There is no ROM or RAM connected to it so I guess the software is 
	>stored in  ROM on the µp. Does anyone have the source code or 
	>are there other possibilities to repair my bit one?

	You are right again!

	And you asked the question in the right group as I have already 
	repaired a Bit One and made a copy of the ROM content. If you 
	want I could send you the binary or intelhex file if you can program

	8051 microcontrollers by yourself. Otherwise you could send me a
blank 
	EPROM or OTP-version of the chip and I could program it for you. 
	If you have no access to these parts let me know and I could tell 
	you how much it will cost if I buy this chip in Austria.
	Of course I am not interested in making money with you. I would
	just need the money for the chip and postage! Programming would be
	no problem as I have a programmer for it.

	Ciao
	Peter


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                   Ing. Peter Ullrich         mailto:ullrich at kapsch.net
                   Homepage: http://come.to/ullrich    or the full link
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                   Hardware & Software Developer /  Electronic Musician
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