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PCB version recognition device and method

A technology of identification device and identification method, which is applied in the direction of program control device, etc., can solve the problem that software or logic cannot achieve forward compatibility, and achieve the effect of ensuring forward compatibility

Active Publication Date: 2008-07-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem that the software or logic in the existing PCB version identification method cannot achieve forward compatibility, the present invention proposes a device and method for identifying the PCB version. The present invention can ensure the forward compatibility of the software and does not require only Upgrade logic version due to PCB version identification problem

Method used

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Embodiment Construction

[0018] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0019] Fig. 1 shows a block diagram of a PCB version identification device according to an embodiment of the present invention. Referring to FIG. 1 , a PCB version identification device 100 according to an embodiment of the present invention includes: a PCB version unit 102 for marking PCB version information; and a PCB version status unit 104 for detecting and storing PCB version information.

[0020] The PCB version status unit 104 includes: an interface for allowing an external device to access the PCB version information stored in the PCB version status unit.

[0021] The PCB version unit 102 has logic independence.

[0022] The PCB version unit 102 is composed of multiple sets of pull-up and pull-down resistors.

[0023] The PCB version status unit 104 is implemented by a field programmable gate array.

[0024] Fig. 2 shows a flowchart of a PCB...

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PUM

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Abstract

The invention discloses a PCB version recognising device, which comprises: a PCB version unit, which is used to mark the PCB version information; a PCB version state unit, which is used to detect and save the PCB version information. The invention also discloses a PCB version recognising method. With the invention, the compatibility of the upgrade software with the prior version can be ensured, therefore, avoiding upgrading logic version simply only for the PCB version recognition.

Description

technical field [0001] The invention relates to a communication equipment PCB version identification technology, in particular to a PCB version identification device and method. Background technique [0002] Modern society relies more and more on communication, and a large number of communication devices with different functions form the communication system of modern society. Communication equipment can be divided into terminal communication equipment and system communication equipment. Mobile phones, telephones, etc. belong to terminal communication equipment, and program-controlled switches, routers, etc. belong to system communication equipment. The system communication equipment is the core of the entire communication system. At present, the system communication equipment generally adopts the system structure of motherboard and plug-in board. The advantages of this system structure are flexible configuration and strong scalability. PCB (Printed Circuit Board) is an es...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44
Inventor 尹景鹏
Owner ZTE CORP
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