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The Design of ROIC Signal Acquisition System Based on PCI Bus

Author: HuXu
Tutor: YuanXiangHui
School: Chongqing University
Course: Instrument Science and Technology
Keywords: UFPA ROIC PCI bus Device driver Signal acquisition PCI CORE
CLC: TP274
Type: Master's thesis
Year: 2002
Downloads: 121
Quote: 1
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Abstract


Circuit non refrigeration important part of the focal plane array is read out, how accurate, rapid quantitative test to evaluate the performance of the readout circuit, and are important for the development and improvement of its quality, and to improve the overall performance of the focal plane array. Chongqing University Laboratory of optoelectronic devices, through years of research, the design of the readout circuit formed its own characteristics, there is a certain status in the domestic industry. The subject study acquisition system is read out to the circuit supporting section, the preliminary successfully developed for the acquisition system will be able to facilitate the read-out circuit (ROIC) testing, evaluation, the development of technology, Development of the uncooled focal plane array and infrared naphthalene plane array (IRFPA) imaging to improve the quality of play a positive role in promoting. As a high-performance local bus to the PCI bus, the PC mainstream bus upgrade from 32 to 64 will be in 5-8 years to maintain the status of the mainstream of the PC bus. Various data transfer rate lower bus will be eliminated, each CPU and motherboard chipset manufacturers no longer dedicated support once the glory ISA bus, ISA bus signal acquisition system will quickly be out of the market. Therefore, the design of this project based on the high-speed PCI bus, high-precision ROIC signal acquisition system. This paper introduces the development and characteristics of the PCI bus, the PCI bus autoconfiguration mechanism elaborated. The two main implementation method for PCI bus interface: complex programmable logic device and a dedicated interface chip, this issue started a lot of work. Among them, complete with the company dedicated PCI interface PLXTech control chip PLX9050 ROIC signal acquisition system based on PCI bus software and hardware design and debugging. Gives his own explanation for the The PLX9050 data transfer rate not ideal, and given the PLX9054 achieve the improvement program. And the subject also completed a the PCI hard core difficult complex programmable logic devices (CORE) design, and the design part of the logic timing simulation and verification. The design of the device driver is an important part in the development process of the acquisition system is a hardware function properly implemented to ensure that it is not only related to the hardware design, but also involving the operating system kernel. This paper briefly describes the composition of the Windows 98/2000 system architecture and WDM mode device driver, the device driver used development tools, and then combined with the actual topic discussion PCI device driver development, debugging, and finally briefly equipment the installation of the driver.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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