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Integrated circuit for processing digital signal

  • US 5,903,481 A
  • Filed: 05/06/1996
  • Issued: 05/11/1999
  • Est. Priority Date: 09/09/1994
  • Status: Expired due to Term
First Claim
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1. An integrated circuit for processing a digital signal, in which a plurality of circuit groups and a number of selecting devices which can switch at least two states are provided in a single integrated circuit and said number of selecting devices are selectively controlled by a control signal which is indicative of a desired signal processing function to be performed by the integrated circuit and which is supplied from outside the integrated circuit,wherein when said number of selecting devices provided in said single integrated circuit select a first selection state, at least a part of said plurality of circuit groups is set to a first connecting state and is enabled to perform a first signal processing function in said first connection state and, when said number of selecting devices provided in said single integrated circuit select a second selection state, at least a part of said plurality of circuit groups is set to a second connection state different from said first connection state and is enabled to perform a second signal processing function different from said first signal processing function in said connection state.

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