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HCS410-SN Datasheet(PDF) 1 Page - Microchip Technology |
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HCS410-SN Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 36 page  2001 Microchip Technology Inc. Preliminary DS40158E-page 1 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- encrypted portion • 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 operation • 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 number, 4/0-bit function code, 1-bit battery low, 2-bit CRC, 2-bit queue • 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 PACKAGE TYPES BLOCK DIAGRAM Typical Applications • 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 S0 S1 S2/LED LC1 VDD LC0 PWM GND 18 2 3 4 7 6 5 PDIP, SOIC S2/LED LC1 GND PWM 1 2 3 4 8 7 6 5 S1 S0 VDD LC0 TSSOP Oscillator Configuration Register Power Control Wake-up Logic Address Decoding EEPROM Debounce Control and Queuer LED Control PWM Driver PPM Detector PWM PPM Manch. Encoder VDD S0 S1 S2 LCI0 LCI1 PWM *Secure Learn patent pending. HCS410 KEELOQ® Code Hopping Encoder and Transponder |
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Similar Description - HCS410-SN |
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