Video signal processor with triple port memory

Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed

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Details

708524, 348719, 348721, 712 22, G06F 732, G06F 738

Patent

active

060527056

ABSTRACT:
A digital video signal processor using parallel processing includes an input serial-access memory having memory cells in which data is inputted into successive ones of the memory cells in response to a programmed-controlled pointer and a three or more port data memory unit for writing-in data read out from the serial-access memory. An arithmetic logic unit responds to stored-program control to read out data from the data memory, perform a program-prescribed arithmetic operation, and write the result of the arithmetic operation back to the data memory. An output serial-access memory is controlled so that the arithmetic result will be outputted under program control in a sequential manner. Operation of the interconnected components is effected by a stored-program control unit connected to the input serial-access memory, the data memory, the arithmetic logic unit, and the output serial-access memory.

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Labrousse et al; A 50 MHz Microprocessor with a Very Long Instruction Word Architecture; IEEE International Solid-State Circuits Conference, Feb. 1990.

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