Accessing peripheral devices

A hardware system comprises a master device and a slave device that are coupled by a signal line. A frequency generator in the master device places a selected frequency signal on the signal line. A frequency detector/comparator in the slave device, which is coupled to the signal line, determines whe...

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Bibliographic Details
Main Authors VANDERLINDEN STEVEN L, REMIS LUKE D, DECESARIS MICHAEL, SELLMAN GREGORY D
Format Patent
LanguageEnglish
Published 17.03.2015
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A hardware system comprises a master device and a slave device that are coupled by a signal line. A frequency generator in the master device places a selected frequency signal on the signal line. A frequency detector/comparator in the slave device, which is coupled to the signal line, determines whether the selected frequency signal on the signal line matches a predetermined frequency for the slave device. If the selected frequency signal matches the predetermined frequency, then a chip select node on the slave device is enabled, in order to permit a data exchange session between the master device and the slave device.
Bibliography:Application Number: US201213445235