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Apparatus has a microprocessor including DSP and a CPU integrated with each other as a single bus master

DC
  • US 6,643,713 B2
  • Filed: 12/28/2001
  • Issued: 11/04/2003
  • Est. Priority Date: 10/09/1995
  • Status: Expired due to Term
First Claim
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1. A terminal apparatus comprising:

  • a microprocessor having a DSP and a CPU integrated with each other as a single bus master, and an internal memory space and an external memory space integrated as a single memory space, wherein the DSP includes a plurality of internal memories and a plurality of buses for connecting said internal memories for executing a non-recursive filter operation constituting a basic operation of a digital signal processing, wherein said CPU is capable of executing a basic instruction for any of such operations as calculation, internal memory access and data transfer, and wherein said CPU includes an instruction decoder to decode instructions for both said CPU and said DSP.

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