Direct processor access via an external multi-purpose interface
First Claim
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1. A device comprising:
- a device interface compatible with an external multi-purpose interface of an electronic system, wherein the multi-purpose interface receives devices of a first type and of a second type;
detection circuitry coupled to the device interface to detect an operating voltage of a processor in the electronic device; and
selection circuitry coupled to the detection circuitry to select a diagnostic interface to be coupled to the device interface based on the operating voltage.
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Abstract
A method and apparatus for direct access to a processor via an external multi-purpose interface. The present invention provides an interface that detects the presence of a diagnostic device, such as a diagnostic PCMCIA card, or other device, and provides a direct connection to the processor. The direct connection to the processor is not available to non-diagnostic devices.
83 Citations
3 Claims
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1. A device comprising:
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a device interface compatible with an external multi-purpose interface of an electronic system, wherein the multi-purpose interface receives devices of a first type and of a second type;
detection circuitry coupled to the device interface to detect an operating voltage of a processor in the electronic device; and
selection circuitry coupled to the detection circuitry to select a diagnostic interface to be coupled to the device interface based on the operating voltage. - View Dependent Claims (2, 3)
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Specification
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Current AssigneeIntel Corporation
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Original AssigneeIntel Corporation
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InventorsSchaefer, Robert A.
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Primary Examiner(s)Lee, Thomas
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Assistant Examiner(s)DU, THUAN N
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Application NumberUS09/178,205Time in Patent Office1,145 DaysField of Search710/128, 710/8-14, 710/62-64, 710/102, 710/129, 364/240, 364/579, 380/3US Class Current710/8CPC Class CodesG06F 11/2294 by remote test
