MCUmall EPROM BIOS Chip Burner Forum
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 Open Source Project Willem Programmer Hardware
 Programming a STM27C800 w/ Dual Powered Willem

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chaos89-dot-com Posted - 05/28/2006 : 22:30:44
I am having problems programming my STM27C800 eproms. I am getting the right voltage on pin 32(12.5V)
I am using the same 16-bit adaptor as for my AM27C400 eproms.
I have noticed it takes like hours to erase the STM27C800 eproms.
Does it usually take hours to fully erase these STM27C800 eproms?
Also, am I supposed to use the supplied address cable? I did try that too.

Thanks in advance!
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ZLM Posted - 06/04/2006 : 16:11:03
STM27C800 should use UV eraser to erase. Not the programmer.

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