US Patent Application 18448340. CIRCUIT FOR CALIBRATION CONTROL, ELECTRONIC DEVICE AND METHOD FOR CALIBRATION CONTROL simplified abstract

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CIRCUIT FOR CALIBRATION CONTROL, ELECTRONIC DEVICE AND METHOD FOR CALIBRATION CONTROL

Organization Name

CHANGXIN MEMORY TECHNOLOGIES, INC.

Inventor(s)

Kai Tian of Hefei (CN)

CIRCUIT FOR CALIBRATION CONTROL, ELECTRONIC DEVICE AND METHOD FOR CALIBRATION CONTROL - A simplified explanation of the abstract

This abstract first appeared for US patent application 18448340 titled 'CIRCUIT FOR CALIBRATION CONTROL, ELECTRONIC DEVICE AND METHOD FOR CALIBRATION CONTROL

Simplified Explanation

The abstract describes a circuit for calibration control that includes an off-chip calibration circuit and a mode switching circuit. The off-chip calibration circuit consists of a preprocessing circuit and a mapping circuit.

  • The preprocessing circuit receives a current set of environmental parameters and decodes them to generate parameter decoding signals.
  • The mapping circuit takes the parameter decoding signals as input and generates a first calibration code based on these signals.
  • The mode switching circuit receives a calibration mode signal and the first calibration code.
  • If the calibration mode signal indicates an off-chip calibration mode, the mode switching circuit determines the first calibration code as a ZQ calibration code.


Original Abstract Submitted

A circuit for calibration control includes an off-chip calibration circuit and a mode switching circuit, and the off-chip calibration circuit includes a preprocessing circuit and a mapping circuit. The preprocessing circuit is configured to receive a current set of environmental parameters, decode the current set of environmental parameters and output parameter decoding signals. The mapping circuit is configured to receive the parameter decoding signals and output a first calibration code according to the parameter decoding signals. The mode switching circuit is configured to receive a calibration mode signal and the first calibration code, and determine the first calibration code as a ZQ calibration code in a case where the calibration mode signal indicates an off-chip calibration mode.

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