HCS412_11 Datasheet, PDF (46/52 Pages) Microchip Technology – KEELOQ® Code Hopping Encoder and Transponder Burglar alarm systems

HCS412
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, Reader Response
and HCS412 Product Identification System
• Added new section Appendix A
• Minor formatting and text changes were incorporated
throughout the document
DS41099D-page 46
© 2011 Microchip Technology Inc.