Texas Instruments (TI) is facing a patent infringement suit from Cradle IP, which claims that the company is violating three of its patents with its TMS320-series digital signal processors as well as its ARM-based AM389x Sitara and OMAP3 and 4 processors. The patents in question are #6,647,450 (Multiprocessor computer systems with command FIFO buffer at each target device), #6,708,259 (Programmable wake up of memory transfer controllers in a memory transfer engine) and #6,874,049 (Semaphores with interrupt mechanism). All three patents were held until November 9, 2011 by Cradle Technologies, which was spun off Cirrus Logic in 1998.
2DayBlog.com, TI sued over patent infringement in OMAP 3 and 4 Series
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