Beskrivning
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.
Features
Security
* 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
Operating * 4.0V – 6.0V operation
* 4 MHz external RC oscillator
* Learning indication on LRNOUT
* Auto baud rate detection
* Power saving SLEEP mode
Other
* Stand-alone decoder
* On-chip EEPROM for transmitter storage
* Four binary function outputs-15 functions
Applications
* Automotive remote entry systems
* Automotive alarm systems
* Automotive immobilizers
* Gate and garage openers
* Electronic door locks
* Identity tokens
* Burglar alarm systems
