Circular first-in, first-out buffer

Details Circular first-in, first-out buffer Circular first-in, first-out buffer

G - Physics

06

F

354/239

G06F 12/02 (2006.01) G06F 5/10 (2006.01)

Patent

CA 1266130

ABSTRACT A circulating FIFO buffer is described which eliminates the need to move the data through the register and relies instead on input and output counters to load data into the register and read data therefrom. Apparatus comprises an addressable read/write memory, an input counter and an output counter, both of which address the memory, means for resetting the counters, means for enabling the input counter to increment and to load data into the buffer, means for enabling the output counter after a predetermined amount of data has been loaded into the buffer, means for disabling the input counter when the buffer register has been loaded and means for detecting when the outputs of the output and input counters are equal and for activating the resetting means upon detecting such equality.

511711

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