COMMUNICATION CONTROLLER CIRCUIT FOR CONTROLLING CONTROLLED UNITS
1 Assignment
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Accused Products
Abstract
A communication control circuit includes a shift register and a control data selector, and controls controlled units according to a data signal, a clock signal and a strobe signal inputted via three serial signal lines. The shift register serial-to-parallel converts the data signal sequentially taken in according to the clock signal into a converted signal, and outputs the converted signal. The control data selector selects control data for controlling the corresponding controlled unit from the signal from the shift register, in response to a device definition signal for identifying the communication control circuit, and outputs the same control data.
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Citations
14 Claims
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1-6. -6. (canceled)
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7. A communication control circuit for controlling a plurality of controlled units according to a data signal, a clock signal and a strobe signal inputted via three serial signal lines,
wherein the data signal includes control data for controlling at least one of the plurality of controlled units, and wherein the communication control circuit comprises: -
a shift register for sequentially taking in the data signal according to the clock signal, serial-to-parallel converting the data signal into a converted data signal, and outputting the converted data signal; and a control data selector for selecting and outputting control data for controlling a corresponding controlled unit from the converted data signal from the shift register, in response to an inputted device definition signal for identifying the communication control circuit. - View Dependent Claims (8)
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9. A communication control system having at least one communication control circuit each controlling a plurality of controlled units according to a data signal, a clock signal and a strobe signal inputted via three serial signal lines,
wherein the communication control system comprises a host controller for generating the data signal, the clock signal and the strobe signal, and transmitting the data signal, the clock signal and the strobe signal to the plurality of communication control circuits via the three serial signal lines, wherein the data signal includes control data for controlling at least one of the plurality of controlled units, and wherein each of the communication control circuits comprises: -
a shift register for sequentially taking in the data signal according to the clock signal, serial-to-parallel converting the data signal into a converted data signal, and outputting the converted data signal; and a control data selector for selecting and outputting control data for controlling a corresponding controlled unit from the converted data signal from the shift register, in response to an inputted device definition signal for identifying the communication control circuits. - View Dependent Claims (13)
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10. An electronic apparatus comprising a communication control system having at least one communication control circuit each controlling a plurality of controlled units according to a data signal, a clock signal and a strobe signal inputted via three serial signal lines,
wherein the communication control system comprises a host controller for generating the data signal, the clock signal and the strobe signal, and transmitting the data signal, the clock signal and the strobe signal to the plurality of communication control circuits via the three serial signal lines, wherein the data signal includes control data for controlling at least one of the plurality of controlled units, and wherein each of the communication control circuits comprises: -
a shift register for sequentially taking in the data signal according to the clock signal, serial-to-parallel converting the data signal into a converted data signal, and outputting the converted data signal; and a control data selector for selecting and outputting control data for controlling a corresponding controlled unit from the converted data signal from the shift register, in response to an inputted device definition signal for identifying the communication control circuits. - View Dependent Claims (14)
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11. A communication control method for use in a communication control circuit for controlling a plurality of controlled units according to a data signal, a clock signal and a strobe signal inputted via three serial signal lines,
wherein the data signal includes control data for controlling at least one of the plurality of controlled units, and wherein the communication control method includes the following steps of: -
sequentially taking in the data signal according to the clock signal, serial-to-parallel converting the data signal into a converted data signal, and outputting the converted data signal; and selecting and outputting control data for controlling a corresponding controlled unit from the converted data signal, in response to an inputted device definition signal for identifying the communication control circuit. - View Dependent Claims (12)
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Specification