HCS410_11 MICROCHIP [Microchip Technology], HCS410_11 Datasheet

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HCS410_11

Manufacturer Part Number
HCS410_11
Description
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
FEATURES
Security
• Two programmable 64-bit encoder keys
• 16/32-bit bi-directional challenge and response
• 69-bit transmission length
• 32-bit unidirectional code hopping, 37-bit non-
• Encoder keys are read protected
• Programmable 28/32-bit serial number
• 60/64-bit, read-protected seed for secure learning
• Three IFF encryption algorithms
• Delayed increment mechanism
• Asynchronous transponder communication
• Queuing information transmitted
Operating
• 2.0V - 6.6V operation, 13V encoder only
• Three switch inputs [S2, S1, S0]—seven functions
• Batteryless bi-directional transponder
• Selectable baud rate and code word blanking
• Automatic code word completion
• Battery low signal transmitted
• Non-volatile synchronization
• PWM or Manchester RF encoding
• Combined transmitter, transponder operation
• Anti-collision of multiple transponders
• Passive proximity activation
• Device protected against reverse battery
• Intelligent damping for high Q LC-circuits
Other
• 37-bit nonencrypted part contains 28/32-bit serial
• Simple programming interface
• On-chip tunable RC oscillator (±10%)
• On-chip EEPROM
• 64-bit user EEPROM in transponder mode
• Battery-low LED indication
• SQTP serialization quick-time programming
• 8-pin PDIP/SOIC/TSSOP and die
© 2011 Microchip Technology Inc.
*Secure Learn patent pending.
using one of two keys
encrypted portion
operation
number, 4/0-bit function code, 1-bit battery low,
2-bit CRC, 2-bit queue
K
EE
L
OQ
®
Code Hopping Encoder and Transponder
PACKAGE TYPES
BLOCK DIAGRAM
• Automotive remote entry systems
• Automotive alarm systems
• Automotive immobilizers
• Gate and garage openers
• Electronic door locks (Home/Office/Hotel)
• Burglar alarm systems
• Proximity access control
Typical Applications
V
S0
S1
S2
LCI0
LCI1
PWM
PDIP, SOIC
DD
TSSOP
S2/LED
Wake-up
Control
Control
Power
Driver
Logic
PWM
LED
S2/LED
LC1
PWM
GND
S0
S1
LC1
HCS410
1
2
3
4
Debounce
1
2
3
4
Detector
Encoder
Queuer
Control
Manch.
PWM
PPM
PPM
and
Configuration Register
8
7
6
5
8
7
6
5
Decoding EEPROM
Address
DS40158F-page 1
V
LC0
PWM
GND
S1
S0
V
LC0
DD
DD
Oscillator

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HCS410_11 Summary of contents

Page 1

K L Code Hopping Encoder and Transponder EE OQ FEATURES Security • Two programmable 64-bit encoder keys • 16/32-bit bi-directional challenge and response using one of two keys • 69-bit transmission length • 32-bit unidirectional code hopping, 37-bit non- ...

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HCS410 DESCRIPTION The HCS410 is a code hopping transponder device designed for secure entry systems. The HCS410 uti- ® lizes the patented K code hopping system and EELOQ bi-directional challenge-and-response for logical and physical access control. High security learning mecha- ...

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K L Code Hopping Encoders EE OQ When the HCS410 is used as a code hopping encoder device ideally suited to keyless entry systems, primarily for vehicles and home garage door openers meant to be ...

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HCS410 1 IFF EE OQ The HCS410 can be used as an IFF transponder for verification of a token. In IFF mode the HCS410 is ide- ally suited for authentication of a key before disarming a vehicle immobilizer. ...

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DEVICE OPERATION The HCS410 can either operate as a normal code hop- ping transmitter with one or two IFF keys (Figure 2- purely an IFF token with two IFF keys (Figure 2-2 and Figure 2-3). When used ...

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HCS410 2.1 Pinout Description The HCS410 has the same footprint as all of the other devices in the K L family, except for the two pins EE OQ that are reserved for transponder operations and the LED that is now ...

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Code Hopping Mode (CH Mode) The HCS410 wakes up upon detecting a switch closure and then delays approximately 30 ms for switch debounce (Figure 2-7). The synchronization counter value, fixed information, and switch information are encrypted to form the ...

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HCS410 2.2.1 TRANSMISSION DATA FORMAT The HCS410 transmission (CH Mode) is made up of several parts (Figure 2-10 and Figure 2-11). Each transmission is begun with a preamble and a header, followed by the encrypted and then the fixed data. ...

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TRANSMISSION DATA MODULE The Data Modulation Format is selectable between Pulse Width Modulation (PWM) format and Manchester encoding. Both formats are preceded by a preamble and synchronization header, followed by the 69-bits of data. Manchester encoding has a leading ...

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HCS410 2.3 Code Hopping Mode Special Features 2.3.1 CODE WORD COMPLETION Code word completion is an automatic feature that ensures that the entire code word is transmitted, even if the button is released before the transmission is com- plete. The ...

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SEED TRANSMISSION In order to increase the level of security in a system possible for the receiver to implement what is known as a secure learning function. This can be done by uti- lizing the seed value ...

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HCS410 2.3.9 LED OUTPUT The S2/LED line can be used to drive a LED when the HCS410 is transmitting. If this option is enabled in the configuration word the S2 line is driven high periodi- cally when the HCS410 is ...

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IFF Mode IFF mode allows the decoder to perform an IFF valida- tion, to write to the user EEPROM and to read from the user EEPROM. Each operation consists of the decoder sending an opcode data and the HCS410 ...

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HCS410 FIGURE 2-17: DECODER IFF COMMANDS AND WAVEFORMS Read Ack pulses Start Write/Program ACK pulses Challenge ACK pulses Encoder Select ACK pulses TABLE 2-3: IFF TIMING PARAMETERS Parameter Time ...

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HCS410 RESPONSES The responses from the HCS410 are in PPM format. See Figure 2-17 for additional information. Every response from the HCS410 is preceded by a “2 bit pre- amble” and then 16/32 bits of data. ...

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HCS410 2.5 IFF Opcodes TABLE 2-4: LIST OF IFF COMMANDS Command Description Select HCS410, used if Anti- 00000 collision enabled Read configuration word 00001 Read low serial number 00010 Read high serial number 00011 Read user area 0 00100 Read ...

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IFF Special Features 2.6.1 ANTI-COLLISION (ACOLI) When the ACOLI bit is set in the configuration word, anti-collision mode is entered. The HCS410 will start sending ACK pulses when it enters a magnetic field. The ACK pulses stop as soon ...

Page 18

HCS410 3.0 EEPROM ORGANIZATION AND CONFIGURATION The HCS410 has nonvolatile EEPROM memory which is used to store user programmable options. This infor- mation includes encoder keys, serial number, and up to 64-bits of user information. The HCS410 has two modes ...

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Seed Word/Transport Code This is the 60-bit seed code that is transmitted when seed transmission is selected. This allows the system designer to implement the secure learn feature or use this fixed code word as part of a ...

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HCS410 3.7 Configuration Data The configuration data is used to select various encoder options. Further explanations of each of the bits are described in the following sections. TABLE 3-1: CONFIGURATION OPTIONS SEED Symbol Description CWBE Code Word Blanking Enable IDAMP ...

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MTX3: MINIMUM CODE WORDS COMPLETED If this bit is set, the HCS410 will transmit a minimum of 3 words before it powers itself down. If this bit is cleared, the HCS410 will only complete the current transmission. This feature ...

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HCS410 4.0 INTEGRATING THE HCS410 INTO A SYSTEM Use of the HCS410 in a system requires a compatible decoder. This decoder is typically a microcontroller with compatible firmware. Firmware routines that accept transmissions from the HCS410, decrypt the code hop- ...

Page 23

Learning an HCS410 to a Receiver In order for a transmitter to be used with a decoder, the transmitter must first be ‘learned’. Several learning strategies can be followed in the decoder implementa- tion. When a transmitter is learned ...

Page 24

HCS410 4.3 CH Mode Decoder Operation In a typical decoder operation (Figure 4-4), the key generation on the decoder side is done by taking the serial number from a transmission and combining that with the manufacturer’s code to create the ...

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SYNCHRONIZATION WITH DECODER The K L technology features a sophisticated EE OQ synchronization technique (Figure 4-5) which does not require the calculation and storage of future codes. If the stored counter value for that particular transmitter and the counter ...

Page 26

HCS410 4.4 IFF Decoder Operation In a typical IFF decoder, the key generation on the decoder side is done by reading the serial number from a token and combining that with the manufacturer’s code to recreate the encoder key that ...

Page 27

DEVELOPMENT SUPPORT ® The PIC microcontrollers and dsPIC controllers are supported with a full range of software and hardware development tools: • Integrated Development Environment ® - MPLAB IDE Software • Compilers/Assemblers/Linkers - MPLAB C Compiler for Various Device ...

Page 28

HCS410 5.2 MPLAB C Compilers for Various Device Families The MPLAB C Compiler code development systems are complete ANSI C compilers for Microchip’s PIC18, PIC24 and PIC32 families of microcontrollers and the dsPIC30 and dsPIC33 families of digital signal control- ...

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MPLAB SIM Software Simulator The MPLAB SIM Software Simulator allows code development in a PC-hosted environment by simulat- ® ® ing the PIC MCUs and dsPIC DSCs on an instruction level. On any given instruction, the data areas can ...

Page 30

HCS410 5.11 PICkit 2 Development Programmer/Debugger and PICkit 2 Debug Express The PICkit™ 2 Development Programmer/Debugger is a low-cost development tool with an easy to use inter- face for programming and debugging Microchip’s Flash families of microcontrollers. The ® Windows ...

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ELECTRICAL CHARACTERISTICS TABLE 6-1: ABSOLUTE MAXIMUM RATING Symbol V Supply voltage Input voltage IN V Output voltage OUT I Max output current OUT T Storage temperature STG T Lead soldering temp LSOL V ESD rating (Human ...

Page 32

HCS410 FIGURE 6-1: POWER UP AND TRANSMIT TIMING Button Press Detect PWM Sn TABLE 6-3: POWER UP AND TRANSMIT TIMING REQUIREMENTS V = +2.0V to 6.3V DD Commercial (C):T = 0° +70° ...

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FIGURE 6-2: HCS410 NORMALIZED TE VS. TEMP 1.10 1.08 1.06 1.04 1. 1.00 0.98 0.96 0.94 0.92 0.90 -50 -40 -30 -20 - Note: TABLE 6-4: CODE WORD ...

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HCS410 TABLE 6-5: CODE WORD TRANSMISSION TIMING PARAMETERS—MANCHESTER MODE V = +2.0V to 6.3V DD Commercial (C 0°C to +70°C AMB Industrial (I -40°C to +85°C AMB Symbol Characteristic T Basic pulse element E T Preamble ...

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PACKAGING INFORMATION 7.1 Package Marking Information 8-Lead PDIP XXXXXXXX XXXXXNNN YYWW 8-Lead SOIC XXXXXXX XXXYYWW NNN Legend: XX...X Customer specific information* Y Year code (last digit of calendar year) YY Year code (last 2 digits of calendar year) WW ...

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HCS410 7.2 Package Details /HDG 3ODVWLF 'XDO ,Q/LQH 3 ±  PLO %RG\ >3',3@ 1RWH 1RWHV DS40158F-page 36 © 2011 Microchip Technology Inc. ...

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Note: © 2011 Microchip Technology Inc. HCS410 DS40158F-page 37 ...

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HCS410 Note: DS40158F-page 38 © 2011 Microchip Technology Inc. ...

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PP %RG\ >62,&@ 1RWH © 2011 Microchip Technology Inc. HCS410 DS40158F-page 39 ...

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HCS410 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 ...

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THE MICROCHIP WEB SITE Microchip provides online support via our WWW site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web ...

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HCS410 READER RESPONSE It is our intention to provide you with the best documentation possible to ensure successful use of your Microchip product. If you wish to provide your comments on organization, clarity, subject matter, and ways in which our ...

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HCS410 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. HCS410 — /P Package: Temperature Range: Device: © 2011 Microchip Technology Inc Plastic DIP (300 ...

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HCS410 NOTES: DS40158F-page 44 © 2011 Microchip Technology Inc. ...

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Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...

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Worldwide Sales and Service AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Harbour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://www.microchip.com/ ...

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