Serial-parallel data transfer system for VLSI data paths

Details Serial-parallel data transfer system for VLSI data paths Serial-parallel data transfer system for VLSI data paths

1984-10-22

1987-02-03

Thomas, James D.

Boots, shoes, and leggings

370 86, G06F 1340

Patent

active

046412760

ABSTRACT:
Serial data transfer circuitry is provided for transferring data between a multiplicity of functional units of a VLSI semiconductor chip. Each functional unit is provided with a respective data register, the registers being adapted to receive information in parallel from and/or transfer information in parallel to their respective functional units. The registers are each serially connected in a closed loop for serially shifting data from one register to another. Data transfer from one functional unit to another is accomplished by transferring a data word in parallel to a source register from its respective functional unit, serially shifting data from the source register to a destination register and parallelly transferring the data word from the destination register to its respective functional unit. Control of the transfer is provided by a counter which counts the number of shifts required to transfer the data word from the source to the destination register.

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