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Division operation method and device

An operation method and a technique of division, which are applied in calculations using number system representations and calculations using non-contact manufacturing equipment, etc., can solve the problems of not reducing the number of clock cycles, it is difficult to achieve fast and efficient, and achieve fast calculation speed, Calculation cycle optimization and high operation efficiency

Active Publication Date: 2012-05-30
HISENSE VISUAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, this method still completes the subtraction and shift within two clock cycles. Fundamentally speaking, it still does not maximize the number of clock cycles for a division operation. Fast and efficient requirements for the controller to execute instructions

Method used

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  • Division operation method and device
  • Division operation method and device

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Embodiment Construction

[0023] The present invention is to provide a division operation method with high operation speed and high operation efficiency and a division operation device adopting the operation method. Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] figure 1 Shown in is a schematic diagram of an embodiment of the division operation device used in the present invention. The division operation device in this embodiment includes an operation logic unit ALU for performing logic operations, and a register unit for storing data and intermediate operation data, and the data in the register unit is controlled by the operation logic unit ALU for logic operation. operation. The register unit in this embodiment includes an accumulator Acc for storing the dividend, and a register B for storing the divisor, and the register unit also includes at least the first temporary register Tmp1 for storing the intermediate...

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Abstract

The invention relates to a nonlinear combined number division operation method applied to a semiconductor device by utilizing numerical system expression and a division device for realizing the operation method, in particular to a division operation method and an operation device adopting the same. The division operation method achieves the purposes of reducing the operation period of the whole division operation method and optimizing the whole division operation method in a 'shifting and subtraction' method by simultaneously executing shifting and subtraction in one period. The invention also provides the division device adopting the division operation method. By adopting the technical scheme, the invention provides a division operation method with high operation speed and high operationefficiency and optimized calculating period and a division operation device adopting the division operation method.

Description

technical field [0001] The present invention relates to a non-linear combined digital division calculation method using number system representation and applied to semiconductor devices and a division device for realizing this calculation method. More specifically, the present invention relates to a division calculation method and a calculation using the method device. Background technique [0002] In the field of industrial control, the application of microcontrollers has become more and more extensive and important in recent years, especially in the fields of electronics, aerospace, home appliances, communications, etc., which have reached an irreplaceable level. In the design of traditional microcontrollers, the subtraction and shift operations are always placed in two different clock cycles when executing the division instruction, that is, the shift operation must be in the next clock cycle after the subtraction operation is completed. to execute from within. Under the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F7/52
Inventor 赵兴朋
Owner HISENSE VISUAL TECH CO LTD
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