Pulse or digital communications – Multilevel
Reexamination Certificate
2010-01-08
2011-11-22
Fan, Chieh M (Department: 2611)
Pulse or digital communications
Multilevel
C375S288000, C375S293000, C370S350000
Reexamination Certificate
active
08064534
ABSTRACT:
The present invention discloses a single-wire asynchronous serial interface, and a method for transmitting commands and data through one transmission wire, wherein the transmission wire is capable of transmitting signals of three level states. The disclosed interface comprises a signal level extraction circuit receiving signals transmitted through the wire and outputting logic or functional bits according to the received signals; a clock extraction circuit generating clock signals according to the functional bits, and a memory circuit controlled by the clock signals and storing the logic bits. The disclosed method comprises: using two of the level states to represent logic 0 and logic 1, and the third of the states as a functional bit; and determining whether a group of signals is a command or data by the existence of a functional bit within the group.
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Fan Chieh M
Garcia Santiago
Richtek Technologies Corporation
Tung & Associates
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