Programmable input/output circuit

A apparatus, having a processing system and an input buffer coupled with both the processing system and one of two IO pads, and a reference buffer coupled to both the input buffer and the second of the IO pads such that the reference generator controls the input threshold of the input buffer in resp...

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Bibliographic Details
Main Authors WILLIAMS TIMOTHY JOHN, WRIGHT DAVID G, BYRKETT BRUCE E, VERGE GREGORY JOHN
Format Patent
LanguageEnglish
Published 21.04.2015
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
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Summary:A apparatus, having a processing system and an input buffer coupled with both the processing system and one of two IO pads, and a reference buffer coupled to both the input buffer and the second of the IO pads such that the reference generator controls the input threshold of the input buffer in response to an analog voltage received from an external circuit on the second of the IO pads.
Bibliography:Application Number: US201314054657