Circuit structure for measuring and burning PCB fuse

A circuit structure and fuse technology, applied in the information field, can solve problems such as difficult tracking and waste of manpower, and achieve the effect of liberating manpower, simple structure and reliable design principle

Active Publication Date: 2021-08-13
SHANDONG YINGXIN COMP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]The existing BIOS firmware programming method is to manually operate the connection between the BIOS programmer and the PCB, and manually control the switch of the BIOS programmer to burn; the existing The fuse measurement method is that the operator uses a multimeter to measure the fuses of each functional interface on t

Method used

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  • Circuit structure for measuring and burning PCB fuse

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Example Embodiment

[0029] The present invention will be described in detail below with reference to the accompanying drawings, and the following examples are explained to the present invention, and the present invention is not limited to the following embodiments.

[0030] like figure 1 As shown, a circuit structure for the PCB fire measuring and burning, including control chip 1, reset circuit, crystal circuit, fuse measuring circuit, BIOS burning circuit.

[0031] The reset circuit includes an electrolytic capacitor 41, a resistor R6, a positive electrode connection of the electrolytic capacitor 41, and the negative electrode of the electrolytic capacitor 41 and the first end of the resistor R6, the first end of the resistor R6 and the reset pin of the control chip 1. Connecting, the second end of the resistor R6 is grounded; the reset circuit is connected to the reset pin of the control chip 1 through the wire, the reset circuit enters the internal circuit of the control chip 1 into the initial s...

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PUM

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Abstract

The invention relates to a circuit structure for measuring and burning a PCB fuse. The circuit structure comprises a control chip, a reset circuit, a crystal oscillator circuit, a fuse measuring circuit and a BIOS burning circuit, and the reset circuit, the crystal oscillator circuit, the fuse measuring circuit and the BIOS burning circuit are all connected with the control chip; PCB fuse measurement and BIOS burning are integrated into one module through the control chip, automatic BIOS burning can be achieved, manpower is liberated, in addition, fuse measurement results and BIOS burning results can be visually reflected to operators through the state of the indicator lamp, and fool-proof performance is improved.

Description

technical field [0001] The invention belongs to the field of information technology, and in particular relates to a circuit structure for measuring and burning a PCB fuse. Background technique [0002] The existing BIOS firmware burning method is to manually operate the connection between the BIOS burner and the PCB, and manually control the switch of the BIOS burner to burn; The fuses of the functional interfaces are measured one by one to check their continuity, and the operator often pokes the fuse with the head of the multimeter during the measurement process; in addition, the operator operates the BIOS burning and PCB fuse measurement separately, which wastes manpower. Moreover, the results of BIOS programming and PCB fuse measurement results are not easy to track. This is the weak point of prior art. [0003] In view of this, it is very necessary for the present invention to provide a circuit structure for PCB fuse measurement and programming to solve the above-menti...

Claims

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Application Information

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IPC IPC(8): G01R31/74
CPCG01R31/74
Inventor 蔡烈波
Owner SHANDONG YINGXIN COMP TECH CO LTD
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