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Manufacturing method of PCI Express data collection card

A technology of data acquisition card and production method, which is applied in the input/output process of data processing, electrical digital data processing, instruments, etc., and can solve the problems of few processing channels, no external analog and digital channels, high cost, etc.

Inactive Publication Date: 2006-06-28
苏州超锐微电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The high-speed data acquisition cards currently on the market have many defects or shortcomings: some use a large amount of RAM to store data, and the cost is high; some have fewer processing channels and can only support a few
But general-purpose computers do not provide external analog and digital access

Method used

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  • Manufacturing method of PCI Express data collection card

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Embodiment Construction

[0007] In the following detailed description, specific details are described in order to provide a thorough understanding of the present invention. Those skilled in the art will recognize, however, that the invention may be practiced with other similar details.

[0008] The invention is composed of A / D conversion module, digital signal processing module, RAM and PCI Express interface module. The external analog signal is converted by the A / D conversion module to obtain a digital signal, and the digital signal is stored in the memory RAM through the digital signal processing module; the external digital signal is directly handed over to the digital signal processing module and stored in the memory RAM, and then The required results are handed over to the computer for processing via the PCI Express bus. Due to the high-speed data transmission capability of PCI Express, the RAM used in this system can be very small and only needs to be used as a data cache.

[0009] The inventi...

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PUM

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Abstract

A method for preparing PCI Express data collection card includes obtaining digital signal by converting external analog signal with A / D conversion module, storing digital signal in RAM storage after it is processed by digital signal processing module, delivering external digital signal directly to digital signal processing module and storing it in RAM storage then delivering required result to computer for processing through PCI Express bus.

Description

technical field [0001] The invention relates to a manufacturing method of a PCI Express data acquisition card, which adopts a PCI Express interface to connect with a computer to realize high-speed acquisition of digital and analog signals. And the signal can be preprocessed, occupying less computer resources. Background technique [0002] The high-speed data acquisition cards currently on the market have many defects or shortcomings: some use a large amount of RAM to store data, and the cost is high; some have fewer processing channels and can only support a few channels. There are also some processing rates that are not real-time. [0003] With the rapid development of computers, their processing speed and interface speed are getting faster and faster. Therefore, it is possible to directly use it for high-speed data acquisition. But general-purpose computers do not provide external analog and digital access. Contents of the invention [0004] For the above purpose, th...

Claims

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Application Information

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IPC IPC(8): G06F3/00
Inventor 沈寒冰
Owner 苏州超锐微电子有限公司
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