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Method and device for sintering firmware connected with E2PROM (Electrically Erasable Programmable Read-Only Memory) on CPLD (Complex Programable Logic Device)

A sintering method and equipment technology, applied in program control devices, instruments, program loading/starting, etc., can solve the problems of increasing E2PROM sintering and maintenance complexity, and achieve the effect of reducing complexity and avoiding upgrades

Inactive Publication Date: 2013-11-06
深圳市恒程汇文化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If multiple E2PROMs are connected to a JTAG daisy chain on the single board, then the sintered versions of these E2PROM devices must be maintained separately, which undoubtedly increases the complexity of E2PROM sintering and maintenance

Method used

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  • Method and device for sintering firmware connected with E2PROM (Electrically Erasable Programmable Read-Only Memory) on CPLD (Complex Programable Logic Device)
  • Method and device for sintering firmware connected with E2PROM (Electrically Erasable Programmable Read-Only Memory) on CPLD (Complex Programable Logic Device)
  • Method and device for sintering firmware connected with E2PROM (Electrically Erasable Programmable Read-Only Memory) on CPLD (Complex Programable Logic Device)

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Embodiment Construction

[0062] The basic idea of ​​the present invention is: when sintering and maintaining the E2PROM connected on the CPLD, first convert the sintering file of the E2PROM into an SVF file with a self-defined keyword identification, and then convert the SVF file of all devices on a JTAG chain File conversion generates a unified JTAG VME file, and sends the converted VME file to the sintering execution unit, which directly realizes the sintering of E2PROM or / and CPLD according to the VME file.

[0063] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with examples and with reference to the accompanying drawings.

[0064] When sintering and maintaining the E2PROM connected on the CPLD, first convert the sintering file ".BIN" of the E2PROM into a ".SVF file". This method belongs to the prior art. For the convenience of understanding the related technologies of the present inven...

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Abstract

The invention discloses a method for sintering firmware connected with an E2PROM on a CPLD, comprising the following steps of: setting keyword identification used when sintering files of E2PROM are converted into VME (Virtual Machine Environment) files; converting the sintering files of the E2PROM into SVF(Serial Vector Format) files, and inserting corresponding keyword identification into the SVF files; converting the SVF files into the VME files according to the SVF files and the keyword identification thereof; sending the VME files to a sintering unit in sequence; and sintering equipment (including the CPLD and / or the E2PROM) on a JTAG (Joint Test Action Group) chain by the sintering unit according to the VME files. The invention also discloses a device for sintering firmware connected with an E2PROM on a CPLD. On the premise that the CPLD and the E2PROM are sintered and maintained together, the invention saves the sintering and maintaining costs of the E2PROM, and meanwhile, the sintering and maintaining method and thought on the E2PROM equipment on the JTAG chain can also be popularized to other firmware equipment.

Description

technical field [0001] The present invention relates to firmware sintering technology, in particular to a complex programmable logic device (CPLD, Complex Programmable Logic Device) connected with an electrically erasable programmable read-only memory (E2PROM, Electrically Erasable Programmable Read Only Memory) device firmware sintering Methods and devices. Background technique [0002] With the issuance of domestic third-generation (3G) mobile communication system operating licenses, the market prospect of the communication system field will become very broad. At the same time, the shipments of domestic and foreign communication equipment manufacturers will also increase, and the technical content of communication equipment will also become higher and higher. There will be more and more types of firmware devices used on the single board, and the amount of use will also increase. Undoubtedly, the use of these firmware devices provides a relatively complete solution for co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/267G06F9/445
Inventor 张栗榕蒋诚刘晓博
Owner 深圳市恒程汇文化科技有限公司
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