US Patent 8645583 Zero pin serial interface
Patent 8645583 was granted and assigned to Intersil on February, 2014 by the United States Patent and Trademark Office.
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A method for controlling performance of an integrated circuit using a zero-pin serial interface is provided. The method comprises identifying a desired performance characteristic of the circuit, and transmitting a first change mode signal to the circuit on a first pin to cause the circuit to enter an instruction reception mode, with the first pin performing differently during a normal operation mode. The method also comprises transmitting a performance adjusting instruction to the circuit on a second pin when the circuit is in the instruction reception mode, with the second pin performing differently during the normal operation mode, and transmitting a second change mode signal to the circuit on the first pin to cause the circuit to enter the normal operation mode. An output performance of the circuit is compared to the desired performance characteristic, with the output performance being the performance of the circuit during the normal operation mode. The circuit is set to permanently provide the output performance when the output performance is within a desired tolerance of the desired performance characteristic.
US Patent 08645583 Zero pin serial interface US Patent 8645583 Zero pin serial interface
US Patent 08645583 Zero pin serial interface
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