CONFIGURABLE 2-WIRE/3-WIRE SERIAL COMMUNICATIONS INTERFACE
First Claim
1. Circuitry comprising:
- sequence processing circuitry adapted to initiate processing of a received sequence based on a start-of-sequence (SOS) detection signal, such that the received sequence is associated with one of a plurality of serial communications protocols; and
SOS detection circuitry adapted to;
when coupled to a 2-wire serial communications bus, detect an SOS based on a serial data signal and a serial clock signal;
when coupled to a 3-wire serial communications bus, detect an SOS based on a chip select (CS) signal; and
in response to detecting the SOS, provide the SOS detection signal to the sequence processing circuitry.
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Accused Products
Abstract
A configurable 2-wire/3-wire serial communications interface (C23SCI), which includes start-of-sequence (SOS) detection circuitry and sequence processing circuitry, is disclosed. When the SOS detection circuitry is coupled to a 2-wire serial communications bus, the SOS detection circuitry detects an SOS of a received sequence based on a serial data signal and a serial clock signal. When the SOS detection circuitry is coupled to a 3-wire serial communications bus, the SOS detection circuitry detects the SOS of the received sequence based on a chip select (CS) signal. In response to detecting the SOS, the SOS detection circuitry provides an SOS detection signal to the sequence processing circuitry, which initiates processing of the received sequence using the serial data signal and the serial clock signal. The received sequence is associated with one of multiple serial communications protocols.
25 Citations
27 Claims
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1. Circuitry comprising:
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sequence processing circuitry adapted to initiate processing of a received sequence based on a start-of-sequence (SOS) detection signal, such that the received sequence is associated with one of a plurality of serial communications protocols; and SOS detection circuitry adapted to; when coupled to a 2-wire serial communications bus, detect an SOS based on a serial data signal and a serial clock signal; when coupled to a 3-wire serial communications bus, detect an SOS based on a chip select (CS) signal; and in response to detecting the SOS, provide the SOS detection signal to the sequence processing circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A method comprising:
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providing sequence processing circuitry and start-of-sequence (SOS) detection circuitry; initiating processing of a received sequence based on an SOS detection signal, such that the received sequence is associated with one of a plurality of serial communications protocols; when coupled to a 2-wire serial communications bus, detecting an SOS based on a serial data signal and a serial clock signal; when coupled to a 3-wire serial communications bus, detecting an SOS based on a chip select (CS) signal; in response to detecting the SOS, providing the SOS detection signal.
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Specification