Divider circuit which calculates an integral quotient of an inte

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Other Related Categories

364761, G06F 752

Type

Patent

Status

active

Patent number

054854148

Description

ABSTRACT:
A divider circuit which calculates an integral quotient of an integral divisor and an integral dividend. A first multiplication unit calculates products of the integral divisor and all n-bit pattern values of an n-bit pattern, where n is a predetermined number and the n-bit pattern values respectively correspond to the calculated products. A calculation unit sets the integral dividend as an initial value of an operational integer, specifies a product among the products calculated by the first multiplication unit of which the subordinate n-bit value is equal to the subordinate n-bit value of the operational integer, and calculates a difference of the operational integer and the specified product. When the difference calculated by the calculation unit is not zero, an activation unit sets a new operational integer by canceling the subordinate n bits of the difference and causes the calculation unit to set the integral dividend, specify a product and calculate a difference based on the new operational integer. An output unit successively takes n-bit pattern values respectively corresponding to products specified by the calculation unit, and outputs these n-bit pattern values as the quotient when the difference calculated by the calculation unit is zero.

REFERENCES:
patent: 5027309 (1991-06-01), Koumoto et al.
patent: 5046038 (1991-09-01), Briggs et al.
patent: 5047973 (1991-09-01), Steiss et al.
patent: 5097435 (1992-03-01), Takahashi

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