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A method and device for adjusting signal deviation

A technology for adjusting signal and deviation, applied in special data processing applications, CAD circuit design, etc., can solve problems such as long time period and uncontrollable accuracy of signal adjustment deviation, and achieve the effect of reducing signal deviation

Active Publication Date: 2022-01-25
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above technical problems, the embodiment of the present invention expects to provide a method and device for adjusting signal deviation, aiming at solving the problem of uncontrollable accuracy of signal adjustment deviation and long time period

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  • A method and device for adjusting signal deviation
  • A method and device for adjusting signal deviation
  • A method and device for adjusting signal deviation

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Experimental program
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Embodiment 1

[0079] see figure 1 , which shows a method for adjusting a signal deviation provided by an embodiment of the present invention, the method comprising:

[0080] S101. Obtain the maximum signal transmission distance L from the signal transmission distances of all transmission signals between the input pin and the output pin; wherein, the signal transmission distance includes a horizontal transmission distance component and a vertical transmission distance component.

[0081] Specifically, see figure 2 , step S101 includes S1011 and S1012:

[0082] S1011. Calculate the sum of the horizontal transmission distance component and the vertical transmission distance component of each transmission signal between the input pin and the output pin.

[0083] Specifically, see image 3 (a), image 3 (a) shows the horizontal signal transmission model taking the horizontal 5-bit data signal as an example, where Module A and Module B are two components in the chip, and the signal is transm...

Embodiment 2

[0163] Based on the same technical idea of ​​the foregoing embodiments, see Figure 8 , which shows a schematic structural diagram of a device 8 for adjusting signal deviation provided by an embodiment of the present invention, the device 8 includes: an acquisition module 801, a determination module 802, and a generation module 803; wherein,

[0164] The obtaining module 801 is configured to obtain the maximum signal transmission distance L from the signal transmission distance of all transmission signals between the input pin and the output pin; wherein, the signal transmission distance includes a horizontal transmission distance component and a vertical transmission distance component ;

[0165] The determining module 802 is configured to determine the spacing S for inserting the driving unit in the signal path where each transmission signal is located according to the preset determination strategy of the driving unit spacing;

[0166] And, according to the spacing S of the...

Embodiment 3

[0228] Based on the same technical idea of ​​the foregoing embodiments, see Figure 10 , which shows a device 10 for adjusting signal deviation provided by an embodiment of the present invention, the device 10 for adjusting signal deviation may include: a communication interface 1001, a memory 1002, a processor 1003, and a bus 1004; wherein,

[0229] The bus 1004 is used to connect the communication interface 1001, the processor 1003 and the memory 1002 and the mutual communication between these devices;

[0230] The communication interface 1001 is used for data transmission with external network elements;

[0231] The memory 1002 is used to store instructions and data;

[0232] The processor 1003 executes the instruction to: obtain the maximum signal transmission distance L from the signal transmission distance of all transmission signals between the input pin and the output pin; wherein, the signal transmission distance includes a horizontal transmission distance component ...

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Abstract

The embodiment of the present invention discloses a method for adjusting signal deviation. The method includes: obtaining the maximum signal transmission distance L from the signal transmission distances of all transmission signals between input pins and output pins; wherein, the signal transmission distance The distance includes a horizontal transmission distance component and a vertical transmission distance component; according to the preset determination strategy of the drive unit spacing, determine the spacing S of the insertion drive unit in the signal path where each transmission signal is located; according to the spacing S of the insertion drive unit S and the maximum value L of the signal transmission distance determine the number N of driving units inserted in the signal path where each transmission signal is located; according to the spacing S of the inserted driving units and the number N of the inserted driving units, Generating position information used to characterize the insertion of the drive unit in the signal path where each transmission signal is located. The embodiment of the invention also discloses a device for adjusting signal deviation.

Description

technical field [0001] The invention relates to the field of chip technology, in particular to a method and device for adjusting signal deviation. Background technique [0002] In chip design, the requirement of signal deviation is often involved, that is, the time difference between a group of signals arriving at the input pin should be less than a certain value, the most representative of which is the double-rate synchronous dynamic random access memory (DDR, Double Data Rate) interface . When the chip communicates with an external DRAM (Dynamic Random Access Memory), there are strict requirements on the deviation between address multi-bit signals, data multi-bit signals, and address and data signals, and these requirements vary with the operating frequency. The improvement becomes more stringent. [0003] The steps to adjust the signal deviation in the current physical implementation stage are generally as follows: 1. Physical implementation tools (such as Encounter, In...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/30
CPCG06F30/30
Inventor 姚文杰张爱平
Owner SANECHIPS TECH CO LTD