Paper Title:
Research on the Control System of Sorting Machine for IC Chips Based on AVR Microcontroller
  Abstract

IC- (Integrated circuits) sorting machine is a kind of special equipment used for testing, classifying and grading IC chips, which is of significances in IC industry. Traditionally, IC- sorting machine is controlled by industry personal computer (IPC), which bears disadvantages such as large size and high cost. By contrast, the control system for IC-sorting machines presented in this paper is based on micro control unit (MCU), which is of relatively high reliability as well as high stability but low cost. First, we gave an outline of the configuration and operation principle of the sorting machine. Second, the input and output (I/O) signals that should be controlled were classified. Last but not least, the control strategy was presented both from the hardware side and the software side. In terms of the hardware design, touch screen was adopted as the human interface device (HID) for the sake of convenience, and isolated power module as well as optical isolated module were applied to improve the anti- electro magnetic interference (EMI) performance; In terms of software design, mechanisms such as multi-task by-turn and timer interrupt delay were adopted to improve the operation efficiency.

  Info
Periodical
Advanced Materials Research (Volumes 211-212)
Edited by
Ran Chen
Pages
540-544
DOI
10.4028/www.scientific.net/AMR.211-212.540
Citation
J. W. Hu, X. Q. Fan, "Research on the Control System of Sorting Machine for IC Chips Based on AVR Microcontroller", Advanced Materials Research, Vols. 211-212, pp. 540-544, 2011
Online since
February 2011
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Price
$32.00
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