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首页> 外文会议>IEEE Conference on Industrial Electronics and Applications; 20070523-25; Harbin(CN) >Design of a Multiplex Data Collecting Controller Based on FPGA
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Design of a Multiplex Data Collecting Controller Based on FPGA

机译：基于FPGA的多路数据采集控制器设计

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摘要

In order to satisfy some requirements for special data acquisition systems, in this paper, a new design method used by data collecting controller is introduced. The main objective of this approach is to integrate DAC and ADC chips into one FPGA (Field programmable Gate Array) chip. The controller can not only collect multiplex analog data, but also output multiplex analog controlling signals, coupled with a minimum amount of external components. At the same time, this approach reduces the cost of hardware and resource of software exceedingly. Employing the principle of PWM, the paper puts forward a new design method to implement conversion between digital signal and analog signal without special DAC or ADC based on FPGA. Moreover, the principle and working mechanism of the controller is discussed in details, while the internal circuit block diagram is also presented.
机译：为了满足特殊数据采集系统的一些要求，本文介绍了一种新的数据采集控制器设计方法。这种方法的主要目的是将DAC和ADC芯片集成到一个FPGA（现场可编程门阵列）芯片中。控制器不仅可以收集多路复用模拟数据，而且还可以输出多路复用模拟控制信号，并结合最少的外部组件。同时，这种方法极大地降低了硬件成本和软件资源。利用PWM原理，提出了一种新的设计方法，无需基于FPGA的专用DAC或ADC即可实现数字信号与模拟信号之间的转换。此外，详细讨论了控制器的原理和工作机制，同时还给出了内部电路框图。

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