Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: An AC coupling circuit is provided that has a level shifter circuit having a p input voltage and an n input voltage and producing a p output voltage and a p output voltage. There is a common mode voltage adjustment feedback circuit configured to cause a common mode voltage output to tend towards a specified reference voltage, the common mode voltage output being an average of the p output and n output voltages of the level shifter circuit. In combination, the level shifter circuit and the feedback circuit allow the interconnection of a first circuit that operates at a first, unspecified, common mode voltage to be connected to a second circuit having a required common mode voltage. The level shifter may be formed of adjustable components such that the frequency response of the level shifter circuit can be adjusted to compensate for a frequency response of an interconnect between the first circuit and the second circuit.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: An AC coupling circuit is provided that has a level shifter circuit having a p input voltage and an n input voltage and producing a p output voltage and a p output voltage. There is a common mode voltage adjustment feedback circuit configured to cause a common mode voltage output to tend towards a specified reference voltage, the common mode voltage output being an average of the p output and n output voltages of the level shifter circuit. In combination, the level shifter circuit and the feedback circuit allow the interconnection of a first circuit that operates at a first, unspecified, common mode voltage to be connected to a second circuit having a required common mode voltage. The level shifter may be formed of adjustable components such that the frequency response of the level shifter circuit can be adjusted to compensate for a frequency response of an interconnect between the first circuit and the second circuit.

Abstract: An AC coupling circuit is provided that has a level shifter circuit having a p input voltage and an n input voltage and producing a p output voltage and a p output voltage. There is a common mode voltage adjustment feedback circuit configured to cause a common mode voltage output to tend towards a specified reference voltage, the common mode voltage output being an average of the p output and n output voltages of the level shifter circuit. In combination, the level shifter circuit and the feedback circuit allow the interconnection of a first circuit that operates at a first, unspecified, common mode voltage to be connected to a second circuit having a required common mode voltage. The level shifter may be formed of adjustable components such that the frequency response of the level shifter circuit can be adjusted to compensate for a frequency response of an interconnect between the first circuit and the second circuit.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: An AC coupling circuit is provided that has a level shifter circuit having a p input voltage and an n input voltage and producing a p output voltage and a p output voltage. There is a common mode voltage adjustment feedback circuit configured to cause a common mode voltage output to tend towards a specified reference voltage, the common mode voltage output being an average of the p output and n output voltages of the level shifter circuit. In combination, the level shifter circuit and the feedback circuit allow the interconnection of a first circuit that operates at a first, unspecified, common mode voltage to be connected to a second circuit having a required common mode voltage. The level shifter may be formed of adjustable components such that the frequency response of the level shifter circuit can be adjusted to compensate for a frequency response of an interconnect between the first circuit and the second circuit.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: Apparatus and techniques relating to data interface power consumption control are disclosed. Components of a data transfer module may be selectively moved between their normal operating states and reduced power states at times when the data transfer module is not to be used for transferring data. Decisions as to particular components that are to be moved to their reduced power states may be based on respective timing characteristics of the components and/or respective power consumption characteristics of the components, for example. In some embodiments, an action may be performed to reduce a powering up time of the data transfer module when normal operation of the data transfer module is to resume. In the case of a multiple-connection interface having respective data transfer modules for each connection, the interface may be partially shut down by moving a subset of the data transfer modules into reduced power states.

Abstract: Signal magnitude comparison apparatus and methods are disclosed. A first input circuit receives a differential input signal and provides a first output signal based on a magnitude of the differential input signal. A second input circuit is operatively coupled to the first input circuit and is operable to receive a second input signal, which may also be a differential signal, and to provide a second output signal based on a magnitude of the second input signal. The operative coupling between the first and second input circuits results in the first output signal and the second output signal forming a differential output signal that is indicative of a difference between the magnitude of the first differential input signal and the magnitude of the second input signal.