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MJaco2's avatar
MJaco2
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7 years ago

How to program EPM240 externally, not in-system

I want to make a simple programmer for EPM240 (to be placed in a ZIF socket), use USB Blaster and program it from Quartus. What am I to do with the I/O pins during programming since they are not conn...
a_x_h_75's avatar
a_x_h_75
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7 years ago

You can leave the I/O floating. Providing you've powered all the power pins it is perfectly possible to program the device in your 'simple programmer' via JTAG. You can quite easily use third party JTAG hardware/software to program these devices as well, common practice in JTAG capable CEMs.

Cheers,

Alex