A technique for embedding a logic analyzer in a programmable logic device allows debugging of such a device in its actual operating conditions. A logic analyzer circuit is embedded within a PLD, it captures and stores logic signals, and it unloads these signals through an interface to be viewed on a...http://www.google.ca/patents/US6389558?utm_source=gb-gplus-sharePatent US6389558 - Embedded logic analyzer for a programmable logic device
