HCS360_11 MICROCHIP [Microchip Technology], HCS360_11 Datasheet

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HCS360_11

Manufacturer Part Number
HCS360_11
Description
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
FEATURES
Security
• Programmable 28/32-bit serial number
• Programmable 64-bit encryption key
• Each transmission is unique
• 67-bit transmission code length
• 32-bit hopping code
• 35-bit fixed code (28/32-bit serial number,
• Encryption keys are read protected
Operating
• 2.0-6.6V operation
• Four button inputs
• Selectable baud rate
• Automatic code word completion
• Battery low signal transmitted to receiver
• Nonvolatile synchronization data
• PWM and Manchester modulation
Other
• Easy-to-use programming interface
• On-chip EEPROM
• On-chip oscillator and timing components
• Button inputs have internal pull-down resistors
• Current limiting on LED output
• Minimum component count
Enhanced Features Over HCS300
• 48-bit seed vs. 32-bit seed
• 2-bit CRC for error detection
• 28/32-bit serial number select
• Two seed transmission methods
• PWM and Manchester modulation
• IR Modulation mode
Typical Applications
The HCS360 is ideal for Remote Keyless Entry (RKE)
applications. These applications include:
• Automotive RKE systems
• Automotive alarm systems
• Automotive immobilizers
• Gate and garage door openers
• Identity tokens
• Burglar alarm systems
© 2011 Microchip Technology Inc.
4/0-bit function code, 1-bit status, 2-bit CRC)
- 15 functions available
K
EE
L
OQ
®
Code Hopping Encoder
DESCRIPTION
The HCS360 is a code hopping encoder designed for
secure Remote Keyless Entry (RKE) systems. The
HCS360 utilizes the K
ogy, which incorporates high security, a small package
outline and low cost, to make this device a perfect
solution for unidirectional remote keyless entry sys-
tems and access control systems.
PACKAGE TYPES
The HCS360 combines a 32-bit hopping code
generated by a nonlinear encryption algorithm, with a
28/32-bit serial number and 7/3 status bits to create a
67-bit transmission stream.
BLOCK DIAGRAM
PDIP, SOIC
DATA
LED
V
V
S0
SS
S1
S2
DD
S3
RESET circuit
Oscillator
LED driver
EEPROM
HCS360
1
2
3
4
EE
L
32-bit shift register
OQ
S
®
Button input port
3
Controller
code hopping technol-
S
2
S
1
DS40152F-page 1
8
5
6
7
Encoder
S
0
V
V
LED
DATA
Power
latching
and
switching
DD
SS

Related parts for HCS360_11

HCS360_11 Summary of contents

Page 1

FEATURES Security • Programmable 28/32-bit serial number • Programmable 64-bit encryption key • Each transmission is unique • 67-bit transmission code length • 32-bit hopping code • 35-bit fixed code (28/32-bit serial number, 4/0-bit function code, ...

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HCS360 The crypt key, serial number and configuration data are stored in an EEPROM array which is not accessible via any external connection. The EEPROM data is pro- grammable but read-protected. The data can be veri- fied only after an ...

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Statis- tically, if only one bit in the 32-bit string of information changes, greater than 50 percent of the coded trans- mission bits will change. As indicated in the block diagram on page one, ...

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HCS360 FIGURE 1-2: BUILDING THE TRANSMITTED CODE WORD (ENCODER) EEPROM Array Crypt Key Sync Counter Serial Number FIGURE 1-3: BASIC OPERATION OF RECEIVER (DECODER) 1 Received Information Button Press Serial Number Information Check for 2 Match Perform Function Indicated by ...

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DEVICE OPERATION As shown in the typical application circuits (Figure 2-1), the HCS360 is a simple device to use. It requires only the addition of buttons and RF circuitry for use as the transmitter in your security application. A ...

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HCS360 3.0 EEPROM MEMORY ORGANIZATION The HCS360 contains 192 bits (12 x 16-bit words) of EEPROM memory (Table 3-1). This EEPROM array is used to store the crypt key information, synchronization value, etc. Further descriptions of the memory array is ...

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CONFIG (Configuration Word) The Configuration Word is a 16-bit word stored in EEPROM array that is used by the device to store information used during the encryption process, as well as the status of option configurations. Further explanations of ...

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HCS360 3.5.5 XSER: EXTENDED SERIAL NUMBER If XSER = 0, the four Most Significant bits of the Serial Number are substituted by S[3:0] and the code word format is compatible with the HCS200/300/301. If XSER = 1, the full 32-bit ...

Page 9

SEED: ENABLE SEED TRANSMISSION If SEED = 0, seed transmission is disabled. The Inde- pendent Counter mode can only be used with seed transmission disabled since SEED_2 is shared with the second synchronization counter. With SEED = 1, seed ...

Page 10

HCS360 3.5.10 DELM: DELAY MODE If DELM = 1, delay transmission is enabled. A delayed transmission is indicated by inverting the lower nibble of the discrimination value. The Delay mode is primarily for compatibility with previous ...

Page 11

IND: INDEPENDENT MODE The Independent mode can be used where one encoder is used to control two receivers. Two counters (SYNC_A and SYNC_B) are used in Independent mode. As indicated in Table 3-9, function codes use ...

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HCS360 4.0 TRANSMITTED WORD 4.1 Transmission Format (PWM) The HCS360 code word is made up of several parts (Figure 4-1 and Figure 4-2). Each code word contains a 50% duty cycle preamble, a header, 32 bits of encrypted data and ...

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SPECIAL FEATURES 5.1 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 and that a minimum of ...

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HCS360 5.4 Auto-shutoff The Auto-shutoff function automatically stops the device from transmitting if a button inadvertently gets pressed for a long period of time. This will prevent the device from draining the battery if a button gets pressed while the ...

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PROGRAMMING THE HCS360 When using the HCS360 in a system, the user will have to program some parameters into the device including the serial number and the secret key before it can be used. The programming allows the user ...

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HCS360 TABLE 6-3: PROGRAMMING/VERIFY TIMING REQUIREMENTS = 5.0V ± 10 25° C ± 5 ° C Parameter Symbol Program mode setup time Hold time 1 Program cycle time Clock low time Clock high time Data setup time Data ...

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INTEGRATING THE HCS360 INTO A SYSTEM Use of the HCS360 in a system requires a compatible decoder. This decoder is typically a microcontroller with compatible firmware. Microchip will provide (via a license agreement) firmware routines that accept transmissions from ...

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HCS360 7.2 Decoder Operation Figure 7-2 summarizes normal decoder operation. The decoder waits until a transmission is received. The received serial number is compared to the EEPROM table of learned transmitters to first determine if this transmitter's use is allowed ...

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FIGURE 7-3: SYNCHRONIZATION WINDOW Entire Window rotates to eliminate use of previously used codes © 2011 Microchip Technology Inc. Blocked Window (32K Codes) Stored Synchronization Counter Value Double Operation (resynchronization) Single Operation Window Window (32K Codes) (16 Codes) HCS360 DS40152F-page ...

Page 20

HCS360 8.0 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 ...

Page 21

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- lers. ...

Page 22

HCS360 8.7 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 ...

Page 23

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 programming ...

Page 24

HCS360 9.0 ELECTRICAL CHARACTERISTICS TABLE 9-1: ABSOLUTE MAXIMUM RATINGS Symbol V Supply voltage Output voltage OUT I Max output current OUT T Storage temperature STG T Lead soldering temp LSOL V ESD Note: Stresses above those ...

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FIGURE 9-1: POWER-UP AND TRANSMIT TIMING Button Press Detect PWM Output Button Input Sn FIGURE 9-2: POWER-UP AND TRANSMIT TIMING REQUIREMENTS V = +2.0 to 6.6V DD Commercial (C): Tamb = 0° ...

Page 26

HCS360 FIGURE 9-3: PWM FORMAT SUMMARY (MOD=0) 50% Duty Cycle Preamble Preamble X E FIGURE 9-4: PWM PREAMBLE/HEADER FORMAT (MOD=0) P1 31xT 50% Duty Cycle Preamble E FIGURE 9-5: PWM DATA FORMAT (MOD=0) LSB MSB LSB Bit ...

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FIGURE 9-6: MANCHESTER FORMAT SUMMARY (MOD=1) 50% Duty Cycle START bit Preamble Preamble FIGURE 9-7: MANCHESTER PREAMBLE/HEADER FORMAT (MOD=1) 50% Duty Cycle FIGURE 9-8: HCS360 NORMALIZED T 1.7 1.6 1.5 ...

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HCS360 TABLE 9-3: CODE WORD TRANSMISSION TIMING PARAMETERS—PWM MODE V = +2.0V to 6.6V DD Commercial (C):Tamb = 0° +70° C Industrial (I):Tamb = -40° +85° C Symbol Characteristic T Basic pulse element E T PWM ...

Page 29

TABLE 9-5: CODE WORD TRANSMISSION TIMING PARAMETERS—MANCHESTER MODE V = +2.0V to 6.6V DD Commercial (C):Tamb = 0° +70° C Industrial (I):Tamb = -40° +85° C Symbol Characteristic T Basic pulse element E T Preamble duration ...

Page 30

HCS360 10.0 PACKAGING INFORMATION 10.1 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) ...

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Package Details /HDG 3ODVWLF 'XDO ,Q/LQH 3 ±  PLO %RG\ >3',3@ 1RWH 1RWHV © 2011 Microchip Technology Inc. HCS360 DS40152F-page 31 ...

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HCS360 Note: DS40152F-page 32 © 2011 Microchip Technology Inc. ...

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Note: © 2011 Microchip Technology Inc. HCS360 DS40152F-page 33 ...

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HCS360 /HDG 3ODVWLF 6PDOO 2XWOLQH 61 ± 1DUURZ  PP %RG\ >62,&@ 1RWH DS40152F-page 34 © 2011 Microchip Technology Inc. ...

Page 35

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. © 2011 Microchip ...

Page 36

HCS360 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 ...

Page 37

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 documentation ...

Page 38

HCS360 HCS360 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. HCS360 — /P Package: Temperature Range: Device: DS40152F-page Plastic DIP (300 mil Body), ...

Page 39

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 ...

Page 40

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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