Multimedia graphics system

Boots – shoes – and leggings

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Details

345197, 345198, 345132, 348564, 348589, 395806, G11B 27031, H04N 500

Patent

active

056403321

ABSTRACT:
Words of different types of digital information, including standard interframe video (SIF), graphics, television and audio are transferred preferably in packets between a controller, storage memory and shift registers (e.g. FIFO's) individually associated with the different information types. For a VRAM memory, information is transferred in parallel, controlled by tag bus information, from the controller to the memory and then serially to the FIFO's, all at a frequency higher than a clock frequency in a monitor raster scan. The tag bus information is decoded and introduced to an additional FIFO. A state machine processes such additional FIFO information and transfers the digital information to the different FIFO's at times controlled in each line by such additional FIFO--e.g. particular times in each line for the SIF and graphics and, thereafter, for television and audio, at times unrelated to any times in such line. The graphics transfer is timed to substantially fill, but not overflow, in such line the limited capacity of the associated FIFO. Their limited capacities cause the television and audio FIFO's to stop receiving words when filled to particular limits. For a DRAM memory, parallel information is transferred, dependent upon the tag bus information, between the controller, memory and FIFO's at the clock frequency. In a "Rambus" system, a bus common with the controller, memory and FIFO's provides control and timing words. Such words control information transfer in successive words through the common bus to the controller, memory and FIFO's upon such timing and control.

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