HCS201_11 Datasheet, PDF (30/36 Pages) Microchip Technology – KEELOQ® Code Hopping Encoder 34-bit fixed code (28-bit serial number

HCS201
APPENDIX A: ADDITIONAL
INFORMATION
Microchip’s Secure Data Products are covered by
some or all of the following:
Code hopping encoder patents issued in European
countries and U.S.A.
Secure learning patents issued in European countries,
U.S.A. and R.S.A.
REVISION HISTORY
Revision D (June 2011)
• Updated the following sections: Development Sup-
port, The Microchip Web Site and Reader
Response
• Added the HCS201 Product Identification System
section
• Added new section Appendix A
• Minor formatting and text changes were incorporated
throughout the document
DS41098D-page 30
© 2011 Microchip Technology Inc.