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Wakeup Receiver Circuit, Electronic System and Method to Wake up Device

A device and circuit technology, applied in the field of wake-up receiver circuit, can solve the problem of the wake-up receiver consumes battery energy, etc.

Active Publication Date: 2015-02-11
INFINEON TECH AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, even when the system is in the aforementioned power-saving / power-down modes, the wake-up receiver itself may consume a considerable amount of energy from the battery

Method used

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  • Wakeup Receiver Circuit, Electronic System and Method to Wake up Device
  • Wakeup Receiver Circuit, Electronic System and Method to Wake up Device

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Embodiment Construction

[0036] In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustrations specific embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural or other changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description should not be taken in a limiting sense, and the scope of the invention is defined by the appended claims.

[0037] figure 1 A schematic representation of an exemplary electronic / electrical system 1 comprising a bus is shown, in which a wake-up receiver circuit according to an embodiment of the invention may be employed.

[0038] like figure 1 As shown in , the system 1 comprises a plurality of devices 1a, 1b, 1c, 1d, 1e connected in a chain-like structure by different buses 2a, 2b, 2c, 2d. These devices can be any electronic device that ca...

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Abstract

A device is operated in a low power mode of operation. The device receives a differential signal that includes a first polarity signal and a second polarity signal. A slope of a first direction is detected in the differential signal and a slope of a second direction is detected in the differential signal. A wakeup of the device is caused in response to the detection of the first slope of the differential signal and the second slope of the differential signal.

Description

technical field [0001] The present invention relates to wake-up receiver circuits, and to methods of waking up devices. Further, the present invention relates generally to electrical or electronic systems, and more particularly to systems including buses. Background technique [0002] In an electrical or electronic system, various individual system modules such as various electronic / electrical components, such as various electronic / electrical components such as various semiconductor components such as integrated circuits, etc., provided in one and the same component or integrated circuit, etc. The various subcomponents in the system communicate via a transmission medium such as a bus system. [0003] A bus system may include one or more transmission lines. A bus system can be used jointly by several, in particular two or more, devices in the respective system. [0004] Many conventional bus systems consist of several subsystems, for example, a data bus containing one or m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40H04L12/10H04L12/26
CPCG06F1/3293G06F1/3206G06F1/3209G06F1/3243
Inventor H·哈特利布C·海林
Owner INFINEON TECH AG
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