Microchip HCS500 Bedienungsanleitung
Microchip
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HCS500
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KEELOQ® HCS5XX Decoder Family
The HCS5XX decoder utilizes the patented KEELOQ®
code-hopping system and high security learning
mechanisms to make this canned solutions when used
with the HCS encoders to implement uni-directional
remote and access control systems. The HCS5XX
decoders operate over a wide voltage range and can be
used as stand-alone decoders or in conjunction with a
PICmicro® MCU through serial or parallel interface.
Microchip also offers a variety of software decoders that
allows the system designer to integrate the KEELOQ
decoding functions with their application onto a single
PICmicro MCU. The software decoders come as part of a
licensing package (DS40149) and include the decoding
algorithm, receive routines and support various learning
schemes to reduce development time and get the product
to market faster.
Security Features:
•Encrypted storage of manufacturer’s code
•Encrypted storage of encoder decryption keys
•Up to seven transmitters can be learned code
hopping technology
•Normal and secure learning mechanisms
Operating Features:
•4.5V – 5.5V operation
•Internal oscillator
•Auto-bit rate detection
Other Features:
•Stand-alone decoder
•Internal EEPROM for transmitter storage
•Synchronous serial interface
•1 Kbit user EEPROM
•14-pin DIP/SOIC package
Compatible Encoders (PWM Mode):
•HCS200, HCS201, HCS300, HCS301, HCS320,
HCS360, HCS361, HCS362, HCS365, HCS370,
HCS410, HCS412, HCS473
Typical Applications:
•Automotive remote entry systems
•Automotive alarm systems
•Automotive immobilizers
•Gate and garage openers
•Electronic door locks
•Identity tokens
•Burglar alarm systems
Related Application Notes:
•AN217 – KEELOQ HCS30X, HCS200 Stand-Alone
Programmer
•AN645 – PIC16C57 -Based Code Hopping
Security System
•AN661 – Code Hopping Decoder using PIC16C56
•AN662 – Code Hopping Decoder using Secure
Learn
•AN663 – Simple Code Hopping Decoder
•AN665 – Using KEELOQ to Generate Hopping
Passwords
•AN672 – PICmicro® Mid-range MCU Code
Hopping Decoder
•AN740 – Decoding the HCS101 for Non-Secure
Applications
•AN742 – Modular PICmicro Mid-Range Code
Hopping Decoder
•AN744 – Modular Mid-Range PICmicro KEELOQ
Decoder in C
•TB001 – Secure Learning RKE Systems using
KEELOQ Encoders
•TB003 – An Introduction to KEELOQ Code Hopping
•TB021 – A Guide to Designing for EuroHomelink
Compatibility
•TB042 – Interfacing a KEELOQ Encoder to a PLL
Circuit
•TB043 – KEELOQ CRC Verification
Routines
M i c r o c h i p T e c h n o l o g y I n c . ·
HCS4XX Family Lineup
User Maximum
Memory Function Receive Modulation Transmitters Serial VLOW Encoder Operating Packages
Product (bits) Outputs Bits Format Learned Interface Output Supported Voltage Pins
HCS500 1K* 1 67 7 8PWM Yes Yes HCS200, 201, 300 4.5V – 5.5V P, 8SM
HCS301, 320, 360
HCS361, 410, 412
HCS512 —4 467 PWM Yes Yes HCS200, 201, 300 3.0V – 6.0V 18P, 18SO
HCS301, 320, 360
HCS361, 410, 412
HCS515 1K 2 767 PWM Yes Yes HCS200, 201, 300 4.5V – 5.5V 14P, 14SL
HCS301, 320, 360
HCS361, 410, 412
* With external EEPROM
Information subject to change. The Microchip name and logo, The Embedded Control Solutions Company, PIC, PICmicro, PICSTART, PRO MATE, MPLAB, and KEELOQ are registered trademarks
of Microchip Technology Incorporated in the U.S.A. and other countries. In-Circuit Serial Programming, ICSP, ICEPIC, microID, MXDEV, MPLIB, MPLINK, MPASM, PICC, and PICDEM.net are
trademarks of Microchip in the U.S.A. SQTP is a service mark of Microchip Technology Inc. All other trademarks mentioned herein are the property of their respective companies.
© 2001 Microchip Technology Inc. All rights reserved. Printed in the U.S.A. 6/01 DS41161A
*DS41161A*
Microchip Technology Inc. •2355 W. Chandler Blvd. •Chandler, AZ 85224-6199 •(480) 792-7200 •FAX (480) 792-9210
Customer Support:
Microchip maintains a worldwide network of distributors, representatives, local sales offices, Field Application Engineers, and
Additional Information:
•Microchip’s web site: www.microchip.com
•Microchip’s Technical Library CD-ROM, Order No. DS00161
•Secure Data Products Handbook, Order No. DS40168
•Application Notes are available in:
– Embedded Control Handbook, Order No. DS00092
– Embedded Control Handbook, , Volume 2, Math Library Order No. DS00167
–Embedded Control Handbook Update 2000, Order No. DS00711
•Microchip’s Non-Volatile Memory Products Data Book, Order No. DS00157
•Microchip’s Overview, Quality Systems and Customer Interface System, Order No. DS00169
•Third Party software and hardware support:
– Emulators
– Programmers
– Gang Programmers
– Software Tools
– Development Boards and Accessories
– Design Consultants
– Third Party Guide, Order No. DS00104
Development Tools from Microchip Resale Price*
KEEL LOQ Evaluation Kit Demonstrate, evaluate and prototype KEE OQ devices $299
KEEL LOQ Transponder Evaluation Kit Demonstrate, evaluate and prototype KEE OQ devices $399
*All prices are manufacturer’s suggested resale for North America.
Frequently asked questions
What is KEELOQ Code Hopping and why do I need it?
KEELOQ Code Hopping is a technology developed specifically for secure remote keyless entry and authentication. The basic principle is that the
code change (hop) each time it is transmitted. It is equivalent to changing the mechanical key on a door each time after you lock or unlock the
door. This makes it nearly impossible for a thief to capture and re-transmit the code used to lock/unlock a door or vehicle.
How do I get started with KEELOQ?
The easiest way to get hands-on experience with KEELOQ is to purchase a KEELOQ Evaluation Kit. The evaluation kit contains a complete hardware
system that includes receiver, decoder and different learning options. It also includes easy to use software that allows you to program the various
devices and display the results of encrypting and decrypting data.
What is the KEE OQL Licensing disk and how do I get it?
The KEELOQ Licensing disk contains various firmware implementations of decoders that enable you to decrypt the code-hopping portion of the
KEELOQ transmissions. It also contains application notes and Windows® software that allows you to encrypt, decrypt and experiment with various
Learning Schemes. The Licensing disk is free and available through the Literature Center (DS40149).
What is Learning?
Learning is a method to match the encoder (transmitter) to the decoder (receiver). There are various Learning methods that depend on the level of
security the user requires.
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | HCS500 |
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