Microchip Unveils Encoder/Transponder for RKE Applications

▤ Summary

Without digging for keys or pressing any buttons, the vehicle automatically detects you 1.5 m away as the authorized operator. But, with the release of the HCS412, Microchip Technology Inc.(Chandler, AZ) is trying to make this dream a reality. This device employs the companys patented KEELOQ code hopping algorithm and 32-b bi-directional challenge-and-response for logical and physical access control. When operating as an encoder, the HCS412 can remotely lock and unlock a car door, garage, or estate gate using an RF frequency. The encoder key, serial number, and configuration data are stores in EEPROM, which is not accessible via any external connection.

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