Time multiplexing bus for DTV common interface
First Claim
1. A device comprising:
- a demodulator circuit configured to generate (i) a first clock signal compliant with a standard interface for a digital video receiver and (ii) a first plurality of data signals compliant with said standard interface;
a decoder circuit configured to receive a second plurality of data signals compliant with said standard interface;
a plurality of first bi-directional buffers configured to multiplex said first data signals with said second data signals at a plurality of data interfaces in response to said first clock signal;
a circuit configured to generate a direction signal at a direction interface in response to said first clock signal to indicate a direction of said data interfaces; and
a delay circuit configured to generate a second clock signal compliant with said standard interface by phase shifting said first clock signal.
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Accused Products
Abstract
A device for use in a digital video receiver. The device generally comprising a demodulator circuit, a decoder circuit, a plurality of bi-directional buffers, and a circuit. The demodulator circuit may be configured to generate (i) a first clock signal compliant with a standard interface for the digital video receiver and (ii) a first plurality of data signals compliant with the standard interface. The decoder circuit may be configured to receive a second plurality of data signals compliant with the standard interface. The plurality of first bi-directional buffers may be configured to multiplex the first data signals with the second data signals at a plurality of data interfaces in response to the first clock signal. The circuit may be configured to generate a direction signal at a direction interface in response to the first clock signal to indicate a direction of the data interfaces.
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Citations
17 Claims
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1. A device comprising:
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a demodulator circuit configured to generate (i) a first clock signal compliant with a standard interface for a digital video receiver and (ii) a first plurality of data signals compliant with said standard interface; a decoder circuit configured to receive a second plurality of data signals compliant with said standard interface; a plurality of first bi-directional buffers configured to multiplex said first data signals with said second data signals at a plurality of data interfaces in response to said first clock signal; a circuit configured to generate a direction signal at a direction interface in response to said first clock signal to indicate a direction of said data interfaces; and a delay circuit configured to generate a second clock signal compliant with said standard interface by phase shifting said first clock signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of transferring data defined by a standard interface for a digital video receiver comprising the steps of:
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(A) generating a first clock signal compliant with said standard interface; (B) multiplexing a first plurality of data signals compliant with said standard interface with a second plurality of data signals compliant with said standard interface at a plurality of data interfaces in response to said first clock signal; (C) generating a direction signal at a direction interface in response to said first clock signal to indicate a direction of said data interfaces; and (D) generating a second clock signal compliant with said standard interface in response to chase shifting said first clock signal. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A device comprising:
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a demodulator circuit configured to generate (i) a first clock signal compliant with a standard interface for a digital video receiver and (ii) a first plurality of data signals compliant with said standard interface; a decoder circuit configured to receive a second plurality of data signals compliant with said standard interface; a plurality of first bi-directional buffers configured to multiplex said first data signals with said second data signals at a plurality of data interfaces in response to said first clock signal; and a circuit configured to generate a direction signal at a direction interface in response to said first clock signal to indicate a direction of said data interfaces, wherein said demodulator circuit is further configured to generate an error signal at an error interface to indicate a demodulation error.
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Specification