Method and apparatus for aligning data for transfer between a so

Details Method and apparatus for aligning data for transfer between a so Method and apparatus for aligning data for transfer between a so

1995-05-16

1997-11-11

Harvey, Jack B.

395411, 395311, G06F 1200, G06F 1300

Patent

active

056873280

ABSTRACT:
A data alignment logic cell properly aligns the individual data units (e.g., bytes) in a block of data that is transferred in a multiple bit bus such that the data units in the block are transferred to desired lanes of the bus. The data alignment logic cell includes a gathering unit, which aligns the data units into a fixed, justified arrangement in the bus, and a scattering unit, which receives the data units from the gathering unit and realigns them to the desired lanes. Both the gathering and scattering units contain registers for temporarily storing certain of the data units and multiplexers for transferring the data units between the lanes of the bus, the state of the multiplexers being determined by signals from control units.

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