Programmable auto-converting analog to digital conversion module

  • US 6,559,783 B1
  • Filed: 08/16/2000
  • Issued: 05/06/2003
  • Est. Priority Date: 08/16/2000
  • Status: Expired due to Term
First Claim
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1. A device for automatically converting a plurality of analog input channels, comprising:

  • a multiplexer having at least two analog input channels, at least one control input and an output;

    an analog to digital conversion circuit, having inputs coupled to the output of the multiplexer and a clock signal and outputting a conversion value based on a voltage associated with the output of the multiplexer in successive clock cycles; and

    a configurable channel controller outputting a control signal to the at least one control input of the multiplexer to automatically select successive ones of the at least two analog input channels for conveying to the analog to digital conversion circuit;

    wherein each of the at least two analog input channels is selectively enabled for auto-conversion based on some of the values.

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