Digital arithmetic integrated circuit

Details Digital arithmetic integrated circuit Digital arithmetic integrated circuit

1996-06-04

2000-05-30

Ngo, Chuong Dinh

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

G06P 738

Patent

active

060701803

ABSTRACT:
A digital signal processor (DSP) of high speed and high precision is disclosed. The DSP (i.e., digital arithmetic integrated circuit) comprises: an arithmetic data storing memory (11) for storing arithmetic data and for outputting, in one instruction cycle, first and second arithmetic data strings each composed of a plurality of bits, the first arithmetic data string being composed of m-bits of at least a predetermined unit wiord length and the second arithmetic data string being composed of (m.times.n)-bits of a unit word length; two arithmetic operand storing registers (12) for storing the first and second arithmetic data strings outputted by said arithmetic data storing memory, respectively; an arithmetic logical unit for executing arithmetic operation on the basis of the two operands outputted by said arithmetic operand storing registers in one instruction cycle (13); and an arithmetic result storing register (15) for storing the arithmetic results outputted by said arithmetic logical unit.

REFERENCES:
patent: 5253195 (1993-10-01), Broker et al.
patent: 5426600 (1995-06-01), Nakagawa et al.
patent: 5631859 (1997-05-01), Markstein et al.

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