Microchip Technology HCS512
HCS512 is a code hopping decoder designed for secure Remote Keyless Entry (RKE) systems. The HCS512 utilizes the patented KEELOQ code hopping system and high security learning mechanisms to make this a canned solution when used with the HCS encoders to implement a unidirectional remote keyless entry system. The Manufacturer’s Code, transmitter keys, and synchronization information are stored in protected on-chip EEPROM.FEATURES
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● Secure storage of Manufacturer’s Code Secure storage of transmitter’s keys Up to four transmitters can be learned KEELOQ code hopping technology Normal and secure learning mechanisms PDIP, SOIC LRNIN LRNOUT NC MCLR GND S0 S1 S2 S3 1 2 3 4 5 6 7 8 9 HCS512 Code Hopping Decoder PACKAGE TYPE 18 17 16 15 14 13 12 11 10 HCS512 RFIN NC OSCIN OSCOUT VDD DATA CLK SLEEP VLOW Operating
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● 3.0V – 6.0V operation 4 MHz RC oscillator Learning indication on LRNOUT Auto baud rate detection Power saving sleep mode Other
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● Stand alone decoder On-chip EEPROM for transmitter storage Four binary function outputs–15 functions 18-pin DIP/SOIC package BLOCK DIAGRAM RFIN 67-Bit Reception Register Typical
APPLICATIONS
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● Automotive remote entry systems Automotive alarm systems Automotive immobilizers Gate and garage openers Electronic door locks Identity tokens Burglar alarm systems EEPROM CONTROL DECRYPTOR DATA CLK LRNIN SEL MCLR SLEEP CONTROL S3 VLOW LRNOUT OSCIN OSCILLATOR OUTPUT S0 S1 S2 Compatible Encoders
● HCS200, HCS300, HCS301, HCS360, HCS361
● NTQ106
DESCRIPTION
The Microchip Technology Inc.