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Digital registers with serial accessed mode control bit

  • US 4,847,839 A
  • Filed: 08/26/1987
  • Issued: 07/11/1989
  • Est. Priority Date: 08/26/1987
  • Status: Expired due to Term
First Claim
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1. A reconfigurable digital register, comprising:

  • a plurality of means for retaining an electrical signal indicative of either a first or a second state;

    means for serially loading said plurality of means for retaining an electrical signal in response to a first control signal, so that said state is set for each of said plurality of means for retaining an electrical signal; and

    an additional means for retaining an electrical signal indicative of either a first or a second state, wherein said additional means for retaining an electrical signal is capable of being serially loaded along with said plurality of means for retaining an electrical signal, and wherein said state of said additional means for retaining an electrical signal is indicative of two different modes of operation of said register.

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