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wrong device ID by auto-decect in Quartus2

Altera_Forum
Honored Contributor II
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Hi everybody! 

I'm Trying to program EP4SGX180 device in JTAG inderect mode,but I got the error as follows: 

Error: Can't configure device. Expected JTAG ID code 0x024210DD for device 1,but found JTAG ID code 0x024020DD. 

Then I open programmer tool and click "auto-detect" instruction.The device detected by Quartus2 unexpectedly is ER4SGX360(its ID CODE just is 0x024020DD). 

I ensure the various voltage up to the specification and the USB-Blaster cable OK. I want to know what reason should cause above mentioned phenomenon. 

Thanks in advance!
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Altera_Forum
Honored Contributor II
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You may have assigned a different device in Quartus compared to what you are programming: 

http://bsdl.info/details.htm?sid=958a96809e5673c588ca59b002289d77 

http://bsdl.info/details.htm?sid=6d7b89a0cec9f33a88ca59b002289d77
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Altera_Forum
Honored Contributor II
531 Views

It's rather unlikely, that the JTAG interface transmits two ID bits continuously wrong, although possible. The said numbers are correct according to quartus/bin/pgm_parts.txt, the ID list used by Quartus. 

 

Did you try to program the device as GX360? 

 

P.S.: You have been talking about JTAG indirect programming. The problem should happen in all JTAG accesses? Does it?
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