The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 17, 2015

Filed:

Jun. 29, 2011
Applicants:

Christopher Truong Ngo, Queen Creek, AZ (US);

Roman Zbigniew Arkiszewski, Oak Ridge, NC (US);

Brad Hunkele, Greensboro, NC (US);

Inventors:

Christopher Truong Ngo, Queen Creek, AZ (US);

Roman Zbigniew Arkiszewski, Oak Ridge, NC (US);

Brad Hunkele, Greensboro, NC (US);

Assignee:

RF Micro Devices, Inc., Greensboro, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 11/12 (2006.01); H04B 1/04 (2006.01); H03F 1/02 (2006.01); H03F 3/195 (2006.01); H03F 3/21 (2006.01); H03F 3/24 (2006.01); H03F 3/60 (2006.01); H03F 3/72 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0227 (2013.01); H03F 1/0261 (2013.01); H03F 1/0277 (2013.01); H03F 3/195 (2013.01); H03F 3/211 (2013.01); H03F 3/245 (2013.01); H03F 3/602 (2013.01); H03F 3/72 (2013.01); H03F 2200/171 (2013.01); H03F 2200/222 (2013.01); H03F 2200/27 (2013.01); H03F 2200/318 (2013.01); H03F 2200/336 (2013.01); H03F 2200/387 (2013.01); H03F 2200/411 (2013.01); H03F 2200/414 (2013.01); H03F 2200/417 (2013.01); H03F 2200/451 (2013.01); H03F 2200/504 (2013.01); H03F 2200/534 (2013.01); H03F 2200/537 (2013.01); H03F 2200/541 (2013.01); H03F 2203/21106 (2013.01); H03F 2203/21142 (2013.01); H03F 2203/21157 (2013.01);
Abstract

An automatically configurable 2-wire/3-wire serial communications interface (AC23SCI), 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. The SOS detection circuitry provides an indication of detection of the SOS to the sequence processing circuitry, which initiates processing of the received sequence using the serial data signal and the serial clock signal upon the detection of the SOS. As such, the AC23SCI automatically configures itself for operation with some 2-wire and some 3-wire serial communications buses without external intervention.


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