ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,488, issued on July 1, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Methods and systems to restrict usage of a DMA channel" was invented by Gregory R. Conti (St. Paul, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "In at least some embodiments, a system comprises a processor and a direct memory access (DMA) subsystem coupled to the processor. The system further comprises a component coupled to the DMA subsystem via an interconnect employing security rules, wherein, if the component requests a DMA channel, the DMA subsystem restricts usage of the DMA channel based on the security rules."

The patent was filed on March 17, 2022, under Appli...