Processor with pipeline processing function having read buffer r

Details Processor with pipeline processing function having read buffer r Processor with pipeline processing function having read buffer r

1996-01-18

1998-03-31

An, Meng-Ai T.

395872, 395427, 395481, 395496, G06F 938

Patent

active

057348553

ABSTRACT:
A data processor which uses a pipeline function to process data reads from an external device which may take two cycles or more. The data processor includes a read buffer register (13) which stores data having been read from an external device by the processing of an external access type instruction word. A latch (16) stores information specifying a register in a register file (4) into which the result of the external access type instruction is stored. A controlling device stores data read from the external device temporarily into the read buffer register (13), and stores the data into a register specified by data stored in the data latch (16).

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