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Altera_Forum
Honored Contributor
Honored ContributorJTAG can’t find device
Hi all, I am a beginner of Altera's device. Today, When I use the JTAG mode of Quartus’ programmer to configure the device EP3C5E144, the programmer always says “Unable to scan device chain. Can...
Altera_ForumHonored Contributor
Honored ContributorYou should try that first Bad exposed pad connections are well known to cause problems with JTAG communications.
