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Semiconductor integrated circuit in which voltage down converter output can be observed as digital value and voltage down converter output voltage is adjustable

  • US 20050052307A1
  • Filed: 03/24/2004
  • Published: 03/10/2005
  • Est. Priority Date: 09/10/2003
  • Status: Active Grant
First Claim
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1. A semiconductor integrated circuit, comprising:

  • a first terminal receiving an external power supply voltage provided from outside;

    a voltage generating circuit lowering said external power supply voltage and generating an internal voltage;

    an internal circuit using said internal voltage;

    an A/D conversion circuit converting said internal voltage from an analog value to a digital value so as to output a digital signal to the outside; and

    a second terminal providing said digital signal to the outside.

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