HCS412 Datasheet

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  HCS412 Datasheet


The HCS412 combines the patented KEELOQ® code hopping technology and bi-directional transponder challenge-and-response security into a single chip solution for logical and physical access control. High security learning mechanisms make this a turnkey solution when used with the KEELOQ® decoders. When the HCS412 is used as a code hopping encoder device, it is ideally suited to keyless entry systems, primarily for vehicles and home garage door openers. It is meant to be a cost-effective, yet secure solution to such systems. The HCS412 can also be used as a secure bi-directional transponder for verification of a token. The HCS412 has a sensitive transponder input that increases the communication range beyond traditional transponder systems. This makes the HCS412 ideal for passive keyless entry, secure access control and identification applications. A single HCS412 can be used as an encoder for Remote Keyless Entry (RKE) and a transponder for immobilization in the same circuit and thereby dramatically reducing the cost of hybrid transmitter/transponder circuits.

参数名称  数值
Protocols  9
Transmission Code Length Bits  69
Other Features  Passive Entry Encoder and Transponder, bi-directional authentication, user EEPROM, Queue counter
Seed Length   60
Code Hoppings Bits  32
Operating Volage (V)  2.0 to 6.6
Tunable OSC  Yes
Function Codes  7
CRC  Yes

     特性
Passive Entry Encoder and Transponder, bi-directional authentication, user EEPROM, Queue counter



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