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Altera_Forum
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15 years ago

Reprogram max3000A when JTAG was disable.

Hello Every body,I get trouble with my design. I programmed Max3000A(epm3256), but i disabled JTAG. Now, i want to reprogram,how can i do?could you show me how to enable JTAG or reprogram EMP3256 wit...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Yes, I guess in-system-programming isn't possible without special prerequisites in board design, as far as I know, at least for one special pin, the voltage must be raised to a level above VCC.