Sensor device with flexible interface and updatable information store
First Claim
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1. A method, comprising:
- receiving, by an interface in a sensor device, a request;
responding to the request, by an updatable information store in the sensor device, if the request is directed to the updatable information store, the updatable information store being in a first power domain of the sensor device; and
activating, by a power manager in the sensor device, a sensor element in the sensor device in response to receiving the request if the request is a request for measurement of a parameter by the sensor element, the sensor element being in a second power domain of the sensor device, wherein the sensor element communicates measured parameter information to the updatable information store.
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Abstract
A sensor device includes an interface that receives a request. The sensor device includes an updatable information store that responds to the request if the request is directed to the updatable information store, the updatable information store being in a first power domain of the sensor device. The sensor device also includes a power manager that activates a sensor element in the sensor device in response to receiving the request if the request is a request for measurement of a parameter by the sensor element. The sensor element is in a second power domain of the sensor device. The sensor element communicates measured parameter information to the updatable information store.
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Citations
20 Claims
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1. A method, comprising:
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receiving, by an interface in a sensor device, a request; responding to the request, by an updatable information store in the sensor device, if the request is directed to the updatable information store, the updatable information store being in a first power domain of the sensor device; and activating, by a power manager in the sensor device, a sensor element in the sensor device in response to receiving the request if the request is a request for measurement of a parameter by the sensor element, the sensor element being in a second power domain of the sensor device, wherein the sensor element communicates measured parameter information to the updatable information store. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A sensor device, comprising:
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an interface that receives requests; an updatable information store, coupled to the interface, and situated in a first power domain, the updatable information store responding to a request if the request is directed to the updatable information store; a sensor element, situated in a second power domain of the sensor device, that communicates measured parameter information to the updatable information store; and a power manager that activates the second power domain in response to the request if the request is a request for measurement of a parameter by the sensor element. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A system, comprising:
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a host processor; a bus, coupled to the host processor, that transports requests and information for the host processor; and a sensor device, coupled to the bus, the sensor device including; an interface that receives requests; an updatable information store, coupled to the interface, and situated in a first power domain, the updatable information store responding to a request if the request is directed to the updatable information store; a sensor element, situated in a second power domain of the sensor device, that communicates measured parameter information to the updatable information store; and a power manager that activates the second power domain in response to receiving the request if the request is a request for measurement of a parameter by the sensor element.
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Specification