HCS200/SN Microchip Technology, HCS200/SN Datasheet
HCS200/SN
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HCS200/SN Summary of contents
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... Identity tokens • Burglar alarm systems 2002 Microchip Technology Inc. ® Code Hopping Encoder DESCRIPTION The HCS200 from Microchip Technology Inc code hopping encoder designed primarily for Remote Key- less Entry (RKE) systems. The device utilizes the ® code hopping technology, incorporating high ...
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... A block cipher based on a block length of 32 bits and a key length of 64 bits is used. The algorithm obscures the information in such a way that even if the transmission information (before coding) differs by only one bit from that of the previous transmission, the next L product family facil technol 2002 Microchip Technology Inc. ...
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... HCS200 based transmitter. Section 7.0 provides detail on integrating the HCS200 into a sys- tem. 2002 Microchip Technology Inc. The crypt key generation typically inputs the transmitter serial number and 64-bit manufacturer’s code into the key generation algorithm (Figure 1-1). The manufac- turer’ ...
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... NOTE: Circled numbers indicate the order of execution. DS40138C-page Encryption Algorithm Button Press Serial Number Information Transmitted Information EEPROM Array 32 Bits of Manufacturer Code Encrypted Data Serial Number Sync Counter Crypt Key Decryption Algorithm Decrypted Check for Synchronization 4 Match Counter 32 Bits Encrypted Data 2002 Microchip Technology Inc. ...
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... V 8 Positive supply voltage DD 2002 Microchip Technology Inc. The HCS200 will wake-up upon detecting a button press and delay approximately 10 ms for button debounce (Figure 2-2). The synchronization counter, discrimination value and button information will be encrypted to form the hopping code. The hopping code portion will change every transmission, even if the same button is pushed again ...
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... Discrimination Bit 2 Discrimination Bit 3 Discrimination Bit 4 Discrimination Bit 5 Discrimination Bit 6 Discrimination Bit 7 Discrimination Bit 8 Discrimination Bit 9 Discrimination Bit 10 Discrimination Bit 11 Low Voltage Trip Point Select (V LOW ) SEL Baudrate Select Bit 0 (BSL0) Reserved, set to 0 Reserved, set to 0 2002 Microchip Technology Inc. ...
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... Temp (C) 2002 Microchip Technology Inc. 4.0 TRANSMITTED WORD 4.1 Code Word Format The HCS200 code word is made up of several parts (Figure 4-1). Each code word contains a 50% duty cycle preamble, a header, 32 bits of encrypted data and 34 bits of fixed data followed by a guard period before another code word can begin ...
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... Status Guard Time T T FIX G Discrimination Sync Counter bits (16 bits) (12 bits) LSb 66 Data bits Transmitted LSb first. SEED (32 bits) LSb Header Data Encrypted Portion Discrimina- Sync Counter tion bits (16 bits) (12 bits) 82 Data bits LSb Transmitted LSb first. 2002 Microchip Technology Inc. ...
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... Seed Transmission 1 1 2002 Microchip Technology Inc. Enabling the BACW option may likewise allow the user to transmit a higher amplitude transmission as the time averaged power is reduced. BACW effectively halves the RF on time for a given transmission so the RF out- put power could theoretically be doubled while main- taining the same time averaged output power ...
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... Special care should be taken when driving PNP RF transistors. T CLKH CLKL Bit 1 Bit 2 Bit 3 Bit 14 Bit 15 Data for Word 0 (KEY_0) Repeat for each word (12 times) Data from Word 0 Bit 0 Bit 1 Bit 2 Bit 3 Bit Bit 16 Bit 17 Data for Word 1 Bit 15 Bit 16 Bit 17 Bit190 Bit191 2002 Microchip Technology Inc. ...
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... Hold time 1 Hold time 2 Bulk Write time Program delay time Program cycle time Clock low time Clock high time Data setup time Data hold time Data out valid time Note 1: Typical values - not tested in production. 2002 Microchip Technology Inc. Min ...
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... Second Valid Code Use Generated Key to Decrypt Compare Discrimination Value with Fixed Value algorithm is a Counters Sequential Learn successful. Store: Serial number Crypt key Synchronization counter TYPICAL LEARN SEQUENCE No Equal ? Yes No Equal ? Yes No ? Yes Learn Unsuccessful Exit 2002 Microchip Technology Inc. ...
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... No Is Counter No Within 32K ? Yes Save Counter in Temp Location 2002 Microchip Technology Inc. 7.3 Synchronization with Decoder (Evaluating the Counter) The sophisticated synchronization technique that does not require the calculation and storage of future codes. The technique securely blocks invalid transmissions while providing transparent resynchronization to transmitters inadvertently activated away from the receiver ...
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... HCS200 FIGURE 7-3: SYNCHRONIZATION WINDOW Entire Window rotates to eliminate use of previously used codes DS40138C-page 14 Blocked Window (32K Codes) Stored Synchronization Counter Value Double Operation (resynchronization) Single Operation Window Window (32K Codes) (16 Codes) 2002 Microchip Technology Inc. ...
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... IL High Level Output Voltage V OH Low Level Output Voltage V OL Pull-Down Resistance; R 0-2 S S0-S2 Pull-Down Resistance; R PWM PWM Note: Typical values are at 25°C. 2002 Microchip Technology Inc. 3.5V < V < 13.0V DD Min Typ* Max Unit 0.6 1.0 1.5 3.0 mA 8.0 12 0.4 V ...
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... FIGURE 8-1: TYPICAL ICC CURVE OF HCS200 WITH EXTERNAL RESISTORS 12.0 10.0 8.0 6.0 4.0 2.0 0 12.0 10.0 8.0 6.0 4.0 2.0 0 12.0 10.0 8.0 6.0 4.0 2.0 0 DS40138C-page [V] BAT 1K External [V] BAT 2K External [V] BAT LEGEND Typical Maximum Minimum 2002 Microchip Technology Inc. ...
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... Typical values - not tested in production. FIGURE 8-3: CODE WORD FORMAT LOGIC ‘0’ LOGIC ‘1’ Bit Period T BP 50% Duty Cycle Preamble T P 2002 Microchip Technology Inc. Multiple Code Word Transmission Code Code Code Word Word Word (2) Min 10 + Code 26 + Code Word 10 ...
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... LOW Guard Time 1 out of 2 Min. Typ. Max. Units 140 200 310 s 420 600 930 s 3.2 4.6 7.1 ms 1.4 2.0 3.1 ms 13.4 19.2 29.8 ms 14.3 20.4 31.6 ms 5.5 7.8 12.1 ms 37.8 54.0 83.7 ms 2381 1667 1075 bps 2002 Microchip Technology Inc. ...
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... FIGURE 8-6: HCS200 TE VS. TEMP (BY CHARACTERIZATION) 1.7 1.6 1.5 1.4 1.3 1.2 TE 1.1 1.0 0.9 0.8 0.7 0.6 -50 -40 -30 -20 - 2002 Microchip Technology Inc. T Max 3. 5.0V DD Typical Min. E TEMPERATURE °C HCS200 DS40138C-page 19 ...
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... For PICmicro device marking beyond this, certain price adders apply. Please check with your Microchip Sales Office. For QTP devices, any special marking adders are included in QTP price. DS40138C-page 20 Example HCS200 XXXXXNNN 0025 Example HCS200 XXX0025 NNN 2002 Microchip Technology Inc. ...
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... Mold Draft Angle Top Mold Draft Angle Bottom * Controlling Parameter § Significant Characteristic Notes: Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed .010” (0.254mm) per side. JEDEC Equivalent: MS-001 Drawing No. C04-018 2002 Microchip Technology Inc ...
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... B .013 .017 .020 MILLIMETERS MIN NOM MAX 8 1.27 1.35 1.55 1.75 1.32 1.42 1.55 0.10 0.18 0.25 5.79 6.02 6.20 3.71 3.91 3.99 4.80 4.90 5.00 0.25 0.38 0.51 0.48 0.62 0. 0.20 0.23 0.25 0.33 0.42 0. 2002 Microchip Technology Inc. ...
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... Microchip Products • Conferences for products, Development Systems, technical information and more • Listing of seminars and events 2002 Microchip Technology Inc. HCS200 Systems Information and Upgrade Hot Line The Systems Information and Upgrade Line provides system users a listing of the latest versions of all of Microchip's development systems software products ...
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... What deletions from the data sheet could be made without affecting the overall usefulness there any incorrect or misleading information (what and where)? 7. How would you improve this document? 8. How would you improve our software, systems, and silicon products? DS40138C-page 24 Total Pages Sent FAX: (______) _________ - _________ N Literature Number: DS40138C 2002 Microchip Technology Inc. ...
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... Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc Plastic DIP (300 mil Body), 8-lead Plastic SOIC (150 mil Body), 8-lead Blank = 0° ...
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... HCS200 NOTES: DS40138C-page 26 2002 Microchip Technology Inc. ...
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... Serialized Quick Turn Programming (SQTP service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received QS-9000 quality system ...
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... Korea Microchip Technology Korea 168-1, Youngbo Bldg. 3 Floor Samsung-Dong, Kangnam-Ku Seoul, Korea 135-882 Tel: 82-2-554-7200 Fax: 82-2-558-5934 Singapore Microchip Technology Singapore Pte Ltd. 200 Middle Road #07-02 Prime Centre Singapore, 188980 Tel: 65-334-8870 Fax: 65-334-8850 Taiwan Microchip Technology Taiwan 11F-3, No. 207 ...