HCS512 - Microchip Technology

HCS512 KEELOQ CODE HOPPING DECODER

The Microchip Technology Inc. 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 C.

Features

Security
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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 sto.