Arithmetic processor which latches data in a temporary register

Details Arithmetic processor which latches data in a temporary register Arithmetic processor which latches data in a temporary register

1997-01-31

1999-04-20

Coleman, Eric

Electrical computers and digital processing systems: memory

Storage accessing and control

Access timing

36473601, G06F 13372

Patent

active

058954988

ABSTRACT:
A data processor has a general purpose register for storing arithmetic data and arithmetic results; an arithmetic device for MAC for performing a predetermined arithmetic operation by using the arithmetic data read from the general purpose register and outputting its arithmetic results to the general purpose register after a predetermined cycle; an arithmetic device for DIV for performing a predetermined arithmetic operation by using data read from the general purpose register and outputting its arithmetic results after a cycle longer than the predetermined cycle relative to the arithmetic device for MAC; and a temporary storing register for storing the arithmetic results outputted from the arithmetic device for DIV until the next arithmetic operation is terminated.

REFERENCES:
patent: 4124890 (1978-11-01), Vasenkov
patent: 4658355 (1987-04-01), Hatakeyama
patent: 5367691 (1994-11-01), Johnson
patent: 5561810 (1996-10-01), Ohtomo
patent: 5771366 (1998-06-01), Bjorksten

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