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A kind of fpga downloader and its download speed adjustment method

A technology of download speed and adjustment method, which is applied in the direction of instruments, energy-saving computing, and architecture with a single central processing unit, etc., to achieve the effect of shortening download time and reducing workload

Active Publication Date: 2022-07-29
EHIWAY MICROELECTRONIC SCI & TECH SUZHOU CO LTD
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  • Abstract
  • Description
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Problems solved by technology

At present, there is no effective way to conveniently adjust the download speed of the code stream when programming to different FLASH

Method used

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  • A kind of fpga downloader and its download speed adjustment method
  • A kind of fpga downloader and its download speed adjustment method
  • A kind of fpga downloader and its download speed adjustment method

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Embodiment Construction

[0045] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0046] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must hav...

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Abstract

The invention provides an FPGA downloader and a download speed adjustment method thereof. The method includes: setting an identification code in a code stream file, where the identification code is used to mark the download speed; in the code stream transmission, when the identification code is detected , and determine that the current download speed needs to be changed based on the detected identification code, first continue to download Y code streams at the original speed; based on the detected identification code, change the corresponding basic transmission unit Download the remaining code stream at the double-speed corresponding to the identification code of . If the code stream is downloaded, end the download; This solution makes it possible to shorten the download time as much as possible while supporting the download of all eHiway FPGA chips; it supports different types of FLASH with different programming speeds, so that a unified downloader can be used, which greatly reduces the workload of after-sales technical support.

Description

technical field [0001] The invention belongs to the field of integrated circuit design, and in particular relates to an FPGA downloader with adjustable download speed and a corresponding download speed adjustment method. Background technique [0002] Field Programmable Gate Array (FPGA) has emerged as a semi-custom circuit in the field of application-specific integrated circuits (ASIC), which not only solves the problem of fixed functions of custom circuits, but also overcomes the original programmable device gate. The disadvantage of limited number of circuits. The logic function of FPGA is determined according to the programming of the device by the user, and the integration level is very high. With the development of FPGA technology, the FPGA market has been involved in various fields such as communication, industrial control, robotics, image processing and consumer electronics. [0003] When the FPGA downloader downloads the code stream to the FPGA chip for configurati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F8/61G06F15/78
CPCG06F8/63G06F15/7867Y02D10/00
Inventor 李海军徐浩然许月
Owner EHIWAY MICROELECTRONIC SCI & TECH SUZHOU CO LTD
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