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Altera_Forum's avatar
Altera_Forum
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14 years ago

JTAG error only when programming

Hello, I have a custom board with a MAXII CPLD (EPM2210F256), with the JTAG port built per the Handbook. With Quartus-II v. 9.1 and a ByteblasterMV cable I can ID the device, erase it, and bla...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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My scope is 200MHz BW, 1Gsa/sec. If there are any glitches they are <10nsec wide and die out very fast.

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Ok, the scope sounds good enough. The fact that you do not see any glitches is a good sign.

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Probably I will try the Terasic programmer (note Atlera lists their USB-Blaster for $300!). Also in proces of downloading the latest Quartus SW, so we'll see...

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Yeah, the Altera versions are way too pricey. The Terasic versions work great!

Cheers,

Dave