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Hi,
I have a problem to extract the program of the CPDL Max7000. I made a JTAG cable like the "Byteblaster" of Altera for testing and in-system programming this CPLD. Currently I can put this device in "BYPAS", I can also recup this IDCODE, but when I try to extract this program, this answer looks like the same data which I sent in "shift-DR" of this state machine... Please tell me how can I do to extract this program. Best regards P. ReynierLink Copied
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Can you program other devices with your cable? If so, it's probably not your cable. If the security bit is programmed you won't be able to read anything as it's doing its job :-)
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