MCUmall EPROM BIOS Chip Burner Forum
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 PRG-022 with 16F648A - Not working

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T O P I C    R E V I E W
jkittle99 Posted - 06/07/2010 : 19:26:40
I've got a new enhanced jdm programmer and 16F648A chip. This thing is on drugs :) Tried every piece of software I can get my hands on, and not able to successfully write a chip. Using external 12v for programming to eliminate low voltage serial port issues. So the short is - I run an erase, and try to blank verify, and it mostly comes back not blank. I try to write something, and it comes back failing verification. Can somebody please tell me how to get this working?
2   L A T E S T    R E P L I E S    (Newest First)
ZLM Posted - 06/10/2010 : 16:06:15
check your configuration bit. If you want to verified it after write, then the code protect bit should be OFF.
jkittle99 Posted - 06/08/2010 : 06:49:20
I found out the chip was originally programmed HVP. If that matters.

j

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