Cirrus Logic Inc.

Amiya Anand Chokhawala

John L Melanson

John Christopher Tucker

Kartik Nanda

YuQing Yang

A method of exchanging data through a serial port includes transmitting data as an output stream of frames defined by edges of a frame clock signal, a first data bit of a current frame transmitted during a time period starting in a preceding frame and extending after an edge of the frame clock signal defining the start of the current frame.

Circuits and methods for exchanging data through a serial port and systems using the same

A method and system of operating dynamic element matching (&ldquo;DEM&rdquo;) components of a DEM system with two or more power supplies are disclosed. A connection system of the DEM system is driven with one power supply operating at one voltage. Connection system couples to components that are to be matched and equalized in usage by ordering outputs to components and activating the components according to ordered outputs. A connection calculator of the DEM system is driven with another power supply operating at another voltage different from the one voltage. Connection calculator is coupled to the connection system, and connection calculator calculates an order of usage of components. A level shifter system level shifts voltage levels of signals from connection system to connection calculator, and another level shifter system level shifts voltage levels of signals from connection calculator to connection system.

Method and system for operating two or more dynamic element matching (DEM) components with different power supplies for a delta-sigma modulator of an analog-to-digital converter

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Austin, TX, United States of America

Amiya Anand Chokhawala