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Before downloading the file MachXO2 Soft I2C Slave With Clock Stretching - Source Code,please read and agree to the following Software License Agreement:
                                                REFERENCE DESIGN LICENSE AGREEMENT 

This is a legal agreement between you, the end user, and Lattice Semiconductor Corporation if you are an end user located in the United States and Lattice SG Pte. Ltd. if you are an end user located in a country other than the United States. "Lattice" in this Agreement means Lattice Semiconductor Corporation or Lattice SG Pte. Ltd. By proceeding with the installation or use of the reference design software made available by Lattice to you ("Reference Design"), you agree to be bound by the terms of this Agreement. If you do not agree to the terms of this Agreement, do not use, download or install the Reference Design, and if you have already obtained the Reference Design from an authorized source, promptly return the media package and all accompanying items (including written materials and binders or other containers) to the place you obtained them.
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1.     Object Code License.  Lattice grants to Licensee a personal, non-exclusive, non-transferable right to use the Reference Design selected for download in object code form for the sole purpose of programming Lattice programmable logic devices. Licensee's end customers may use Lattice programmable logic devices that have been programmed with the Reference Design. Except for the rights expressly granted herein, the title and all intellectual property rights in and to the Reference Design remain the sole and exclusive property of Lattice or Lattice’s licensors. Licensee agrees not to remove or destroy any copyright notices, proprietary markings, or confidential legends placed upon, contained within, or associated with the Reference Design. Licensee will not distribute, copy, transfer, lend, incorporate, modify, or use the Reference Design for any purpose except as expressly provided herein. If Licensee fails to comply with the provisions of this Agreement, this Agreement is automatically terminated.
2.     Source Code License.  If the Reference Design is made available in source code form, Lattice grants to Licensee a personal, non-exclusive, non-transferable right to use and modify the Reference Design selected for download in source code form for the sole purposes of creating and implementing design to program Lattice programmable logic devices. Any use or attempted use of the Reference Design in violation of the foregoing restrictions is a breach of the Agreement which will cause irreparable harm to Lattice, entitling Lattice to injunctive relief in addition to all legal remedies, and will result in automatic termination of this Agreement. Licensee agrees to hold confidential the source code and any other information which is furnished hereunder using the same degree of care as Licensee uses for its own confidential information, but in no event less than reasonable care and not to disclose such information to any third party. This obligation will not apply to information that (a) is in or enters the public domain without breach of this Agreement by Licensee; or (b) is rightfully received by Licensee from a third party without a duty of confidentiality; or (c) is independently developed by Licensee without use of Lattice's intellectual property; or (d) is already known to Licensee at the time of disclosure under this Agreement as shall be proved by contemporaneous written records; or (e) is made public by Lattice.
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6.     Default and Termination.  This Agreement will continue indefinitely, until and unless terminated. It will terminate automatically in the event Licensee fails to perform any of its obligations hereunder. Licensee may terminate this Agreement at any time by returning to Lattice the original and all copies of the Reference Design or by destroying the Reference Design together with all copies thereof. Upon termination of this Agreement for any reason, Licensee will either return to Lattice the original and all copies of the Reference Design, or upon Lattice's request, destroy such original and all copies and provide Lattice with written certification of their destruction. In addition, upon termination of this Agreement for any reason, Licensee will destroy all bitstream programming files that contain the Reference Design and provide Lattice with written certification of their destruction. Notwithstanding anything to the contrary, in the event of termination of this Agreement or any license granted herein, Licensee’s end customers may continue to sell and use systems containing the Reference Design previously and properly sublicensed in accordance with the terms hereof prior to such termination. The parties agree that their respective rights, obligations and duties, which by their nature extend beyond the termination of this Agreement shall survive any termination. 
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©2017 Lattice Semiconductor Corporation.  You may freely distribute the text of this Agreement provided you include this copyright notice.  However, modifications to the substantive terms herein are not permitted.  
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