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Altera_Forum
Honored Contributor
Honored ContributorJTAG 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_ForumHonored Contributor
Honored ContributorI'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.
