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Write-enabling control method and device

A control method and write enable technology, applied in the field of communication, can solve problems such as data reading errors, and achieve the effect of preventing errors

Inactive Publication Date: 2008-12-10
ZTE CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The present invention has been made in consideration of the above-mentioned problems. For this reason, the main purpose of the present invention is to provide a write enable control method and device to solve the problems caused by prohibiting writing when reading indirect register data in the related art. Data read error problem

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Embodiment Construction

[0023] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0024] method embodiment

[0025] According to an embodiment of the present invention, a write enable control method is provided for performing write enable control on a service chip with an indirect register, figure 1 It is a flow chart of the write enable control method according to the method embodiment of the present invention, such as figure 1 shown, including the following processing:

[0026] Step S102, when the write enable control state of the chip is set to disallow writing and the chip receives the read chip data command, perform a write operation on the control register in the indirect register, wherein the read chip data command It is used to indicate...

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Abstract

The invention discloses a writing enable control method and a device, comprising: executing the writing operation on a control register in an indirect register under the condition that the writing enable control state of the chip is arranged without allowing to write in and the chip receives the data command of the reading chip. According to the technical scheme, the requirement that the operation of the optical transmission single board in certain special operating phase is not interrupted is satisfied meanwhile the mistake is prevented when reading the data of the chip.

Description

technical field [0001] The present invention relates to the communication field, and in particular, relates to a write enable control method and device. Background technique [0002] At present, the chip write enable control method is widely used in the service boards of optical transmission equipment. Perform a soft reset on the board). The current implementation method in the related technology is to protect the writing operation of the chip in the driver of the service board, and when the board is running at a stage where the service needs to be guaranteed, the writing into the chip is not allowed. [0003] However, at present, a large number of indirect registers are used in a service chip of a Synchronous Digital Hierarchy (Synchronous Digital Hierarchy, SDH) equipment board. When reading the data of the indirect register, it is necessary to write the control data into the control register first, so that the alarm and performance data to be read are transferred to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/08H04B10/08
Inventor 罗胜金
Owner ZTE CORP
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