HCS515_11 MICROCHIP [Microchip Technology], HCS515_11 Datasheet
HCS515_11
Related parts for HCS515_11
HCS515_11 Summary of contents
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FEATURES Security • Encrypted storage of manufacturer’s code • Encrypted storage of encoder decryption keys • seven transmitters can be learned code hopping technology • Normal and secure learning mechanisms Operating • 4.5V – 5.5V ...
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HCS515 ations in transmitter data rate. The decoder contains sophisticated error checking algorithms to ensure only valid codes are accepted. 1.0 SYSTEM OVERVIEW Key Terms The following is a list of key terms used throughout this data sheet. For additional ...
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FIGURE 1-1: CREATION AND STORAGE OF CRYPT KEY DURING PRODUCTION Production Transmitter Programmer Serial Number Manufacturer’s Generation Code Algorithm The 16-bit synchronization counter is the basis behind the transmitted code word changing for each transmis- sion; it increments each time ...
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HCS515 FIGURE 1-3: BASIC OPERATION OF RECEIVER (DECODER) 1 Received Information Button Press Serial Number Information Check for 2 Match Perform Function Indicated by 5 button press NOTE: Circled numbers indicate the order of execution. 2.0 PIN ASSIGNMENT Decoder (1) ...
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DECODER OPERATION 3.1 Learning a Transmitter to a Receiver (Normal or Secure Learn) Before the transmitter and receiver can work together, the receiver must first ‘learn’ and store the following information from the transmitter in EEPROM: • A check ...
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HCS515 3.2 Validation of Codes The decoder waits for a transmission and checks the serial number to determine learned transmitter is, it takes the code hopping portion of the transmis- sion and decrypts it, ...
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Synchronization with Decoder (Evaluating the Counter) The K L technology patent scope includes sophisticated synchronization technique that does not require the calculation and storage of future codes. The technique securely blocks invalid transmissions while providing transparent ...
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HCS515 4.0 INTERFACING TO A MICROCONTROLLER The HCS515 interfaces to a microcontroller via a syn- chronous serial interface. A clock and data line are used to communicate with the HCS515. The microcon- troller controls the clock line. There are two ...
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Command Mode 4.2.1 MICROCONTROLLER COMMAND MODE ACTIVATION The microcontroller command consists of four parts. The first part activates the Command mode, the sec- ond part is the actual command, the third is the address accessed, and the fourth part ...
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HCS515 4.2.3 COMMAND ACTIVATION TIMES The command activation time (Table 4-1) is defined as the maximum time the microcontroller has to wait for a response from the decoder. The decoder will abort and TABLE 4-1: COMMAND ACTIVATION TIMES Decoder State ...
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READ BYTE/S FROM USER EEPROM The read command (Figure 4-4) is used to read bytes from the user EEPROM. The offset in the user EEPROM is specified by the address byte, which is truncated to 7 bits (C to ...
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HCS515 4.2.7 ERASE ALL The erase all command (Figure 4-6) erases all the transmitters in the decoder. After the command and two dummy bytes are clocked in, the clock line must be FIGURE 4-6: ERASE ALL CLK μ C DATA ...
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FIGURE 4-8: LEARN STATUS MESSAGE AFTER FIRST TRANSMISSION CLK T CLA Decoder Data Command Request A FIGURE 4-9: LEARN STATUS MESSAGE AFTER SECOND TRANSMISSION ACT CLL CLKL CLK T CLH T CLA T DHI 0 OVR RSLT ...
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HCS515 4.5 Test Mode A special Test mode is activated after: 1. Programming of the manufacturer’s code. 2. Erasing of all transmitters. Test mode can be used to test a decoder before any transmitters are learned on it. Test mode ...
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DECODER PROGRAMMING The memory is divided between system memory that stores the transmitter information (read protected) and user memory (read/write). Commands to access the user memory are described in Sections 4.2.5 and 4.2.6. The following information stored in system ...
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HCS515 5.2 Programming Waveform The programming command consists of the following: • Command Request Sequence ( • Command Byte ( • Configuration Byte ( • Manufacturer’s Code Eight Data Bytes ( • ...
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KEY GENERATION The HCS515 supports two learning schemes which are selected during the initialization of the system EEPROM. The learning schemes are: • Normal learn using the K L decryption algorithm EE OQ • Secure learn using the K ...
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HCS515 7.0 ENCODERS 7.1 Transmission Format (PWM) The encoder transmission is made up of several parts (Figure 7-1). Each transmission begins preamble and a header, followed by the encrypted and then the fixed data. The actual data is 66/69 bits, ...
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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 ...
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HCS515 8.2 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 ...
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HCS515 8.11 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 † Absolute Maximum Ratings Ambient temperature under bias............................................................................................................ -40°C to +125°C Storage temperature .............................................................................................................................. -65 °C to +150°C Voltage on any pin with respect Voltage on V with respect to Vss ..................................................................................................................0 to +7.0V ...
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HCS515 TABLE 9-1: DC CHARACTERISTICS Symbol Parameters V Supply voltage start voltage to POR DD ensure RESET S V rise rate to VDD DD ensure RESET I Supply current DD I Power-Down Current PD V Input low ...
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AC Electrical Characteristics 9.1.1 VALID TRANSMISSION NOTIFICATION Symbol Parameters T Command request time DHI T Micro request acknowledge time CLA T Decoder Acknowledge time ACK T Start Command mode to ACT first command bit T Clock high time CLKH ...
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HCS515 9.1.4 WRITE TO USER EEPROM COMMAND Symbol Parameters T Write command activation time WR T EEPROM write acknowledge time ACK T Microcontroller acknowledge RESP response time T Decoder response ACK 2 acknowledge time Note: These parameters are characterized but ...
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LEARN STATUS STRING Symbol Parameters T Command request time DHI Microcontroller command T CLA request time T Decoder request acknowledge time ACT T Clock high hold time CLH T Clock low hold time CLL T Clock high time CLKH ...
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HCS515 10.0 PACKAGING INFORMATION 10.1 Package Marking Information 14-Lead PDIP XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN 14-Lead SOIC XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN Legend: XX...X Customer specific information* YY Year code (last 2 digits of calendar year) WW Week code (week of January 1 is ...
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Package Details /HDG 3ODVWLF 'XDO ,Q/LQH 3 ± PLO %RG\ >3',3@ 1RWH N NOTE 1RWHV © 2011 Microchip Technology Inc HCS515 DS40183E-page ...
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HCS515 Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging DS40183E-page 30 © 2011 Microchip Technology Inc. ...
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Note: For the most current package drawings, please see the Microchip Packaging Specification located at http://www.microchip.com/packaging © 2011 Microchip Technology Inc. HCS515 DS40183E-page 31 ...
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HCS515 1RWH DS40183E-page 32 © 2011 Microchip Technology Inc. ...
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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 ...
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HCS515 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 ...
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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 ...
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HCS515 HCS515 PRODUCT IDENTIFICATION SYSTEM To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office. HCS515 — /P Package: Temperature Range: Device: DS40183E-page Plastic DIP (300 mil Body), ...
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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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