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A field programmable gate array configuration mode automatic switching device and switching method

A configuration mode and gate array technology, applied in the computer field, can solve the problems of increasing the difficulty and complexity of switching, and achieve the effect of simple operation and flexible switching

Active Publication Date: 2021-10-29
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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  • Summary
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Although the existing technology can meet the above-mentioned requirements of supporting three configuration modes at the same time, there are certain shortcomings. The switching between different modes needs to be realized by welding resistors. This method requires the machine to be powered off and the board to be taken out of the chassis to operate. Increased difficulty and complexity of switching

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  • A field programmable gate array configuration mode automatic switching device and switching method
  • A field programmable gate array configuration mode automatic switching device and switching method
  • A field programmable gate array configuration mode automatic switching device and switching method

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Embodiment Construction

[0032] In order to make the object, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0033] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are to distinguish two entities with the same name but different parameters or parameters that are not the same, see "first" and "second" It is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, which will not be described one by one in the subsequent embodiments.

[0034] Based on the above purpose, the first aspect of the embodiments of the present invention proposes an embodiment of a device for automatically switching configuration modes of a field programmable gate array. figure 2 Shown is a schematic dia...

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Abstract

A field programmable gate array configuration mode automatic switching device, comprising: a baseboard management controller; single-channel switch chip 0, the selection signal end of the single-channel switch chip 0 is connected to GPIO0 of the baseboard management controller, and the single-channel switch chip 0 The input pin B0 is connected to the pull-up resistor R1, the output pin B1 is connected to the pull-down resistor R2, and the output pin A is connected to the field programmable gate array mode configuration pin M0; single-channel switch chip 1, single-channel switch chip 1 The selection signal terminal of the single-channel switch chip 1 is connected to the GPIO1 of the baseboard management controller, the input pin B0 of the single-channel switch chip 1 is connected to the pull-up resistor R3, the output pin B1 is connected to the pull-down resistor R4, and the output pin A is connected to the field programmable gate The mode configuration pin M1 of the array. Through the device of the invention, the function of automatic switching of FPGA configuration modes can be realized.

Description

technical field [0001] The field relates to the computer field, and more specifically relates to a field programmable gate array configuration mode automatic switching device and switching method. Background technique [0002] FPGA (Field Programmable Gate Array), that is, Field Programmable Gate Array, has the characteristics of high programmable flexibility, short development cycle, and high parallel computing efficiency. Users can customize the internal logic array at will, and can perform real-time programming at the user's site to modify the internal hardware logic to achieve any logic function. Therefore, FPGA is being used more and more widely in server board design. [0003] FPGA configuration methods are flexible and diverse. According to whether the chip can actively load configuration data, it can be divided into master mode, slave mode and JTAG mode. The typical master mode is to load the configuration bit stream in the off-chip non-volatile memory (data not lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445
CPCG06F9/44505
Inventor 邓文博李岩
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD