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Electronic device

An electronic device and trigger signal technology, applied in the direction of electrical program control, electrical digital data processing, instruments, etc., can solve the problems of occupation, large logic resources, etc.

Active Publication Date: 2019-06-25
WARECONN TECH SERVICE (TIANJIN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the trigger signal is shifted 25,000 times, it will occupy a very large logic resource in the CPLD

Method used

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0029] In order to make the object, technical solution and advantages of the present invention more clear, the electronic device in the present invention will be further described in detail and related illustrations in conjunction with the accompanying drawings and embodiments.

[0030] Please refer to figure 1 A preferred embodiment of the present invention provides an electronic device 100, the electronic device 100 includes a central processing unit (Central Processing Unit, CPU) 10, a programmable logic device (Complex Programmable Logic Device, CPLD) 20 and a platform controller ( Platform Controller Hub, PCH) chip 30.

[0031] In one embodiment, the programmab...

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Abstract

The invention provides an electronic device which comprises a central processing unit and a platform controller chip. The central processing unit is used to interpret a computer instruction, process data in the computer software, and output a trigger signal when the electronic device has a serious error. The electronic device further comprises a programmable logic device which is connected with the central processing unit to receive the trigger signal and delays the received trigger signal by a first preset time. The platform controller chip is connected with the programmable logic device to acquire the delayed trigger signal, and controls the electronic device to restart a system according to the received trigger signal. According to the invention, logic resources in the programmable logic device can be saved, and the cost can be saved.

Description

technical field [0001] The invention relates to an electronic device. Background technique [0002] When a serious error occurs in a central processing unit (Central Processing Unit, CPU) in the server, the CPU will output a trigger signal to a platform controller (Platform Controller Hub, PCH) chip. In order to prevent the trigger signal from conflicting with the system management interrupt of the PCH, the trigger signal can be delayed for 500us by a programmable logic device (Complex Programmable Logic Device, CPLD) and output to the PCH to control the server to restart. [0003] In the prior art, the CPLD delays the trigger signal by 500us by shifting the trigger signal output by the CPU 25,000 times through a shift register, so as to delay the signal by 500us and output it to the PCH. However, if the trigger signal is shifted 25,000 times, it will occupy a very large logic resource in the CPLD. Contents of the invention [0004] In view of the above, it is necessary ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG06F11/0772G06F11/0793G06F2201/805G06F11/1417
Inventor 高嘉骏
Owner WARECONN TECH SERVICE (TIANJIN) CO LTD