US Patent Issued to Altera on Nov. 25 for "Circuits and methods for controlling debugging firmware in integrated circuit devices" (Texas Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,510, issued on Nov. 25, was assigned to Altera Corp. (San Jose, Calif.).

"Circuits and methods for controlling debugging firmware in integrated circuit devices" was invented by Sen Li (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit device includes a storage circuit for storing a canceled value of a key identifier that is associated with a debug key used to sign debugging firmware. A security controller circuit is configurable to reactivate the key identifier to permit the debugging firmware to be loaded to the integrated circuit device to perform debugging functions by changing the canceled value of the key identi...