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Altera_Forum
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17 years ago

JTAG configuration protocol specification

Hello, We're in the process of debugging a JTAG configuration problem (Quartus doesn't recognize the chain that consists of a single CycII device). We try to look at the TDI, TMS, TCK, TDO line...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I'm not sure if there is a formal specification for JTAG configuration, but Altera provides source code for the JRunner Software. It is available for download in the Download Software section.

OTOH, the USB Blaster specifications are completely undisclosed.