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HCS320 Datasheet

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发表于 2010-4-24 12:50:09 | 显示全部楼层 |阅读模式
  HCS320 Datasheet


The HCS320 is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS320 utilizes Microchip’s patented KEELOQ® hopping technology, which incorporates high security, a small package outline, and low cost, to make this device a perfect solution for unidirectional remote keyless entry systems and access control systems. The HCS320 combines a 32-bit hopping code generated by a non-linear encryption algorithm, with a 28-bit serial number and 6 status bits to create a 66-bit transmission stream. The length of the transmission eliminates the threat of code scanning and the code hopping mechanism makes each transmission unique, thus rendering code capture and re-send (code grabbing) schemes useless. The encoder key, serial number, and configuration data are stored in EEPROM, which is not accessible via any external connection. This makes the HCS320 a very secure unit. The HCS320 provides an easy-to-use serial interface for programming the necessary security keys, system parameters, and configuration data. Additional features include Shift operation, an LED Drive, Overflow bits, Time-out and Battery low indicator. The HCS320 operates in a voltage range of 3.5V to 13.0V.
参数名称  数值
Protocols  1
Transmission Code Length Bits  66
Other Features  Shift Operation, LED Drive, Overflow bits, Time-out, Battery low indicator
Seed Length   32
Code Hoppings Bits  32
Operating Voltage (V)  3.5 to 13.0
Tunable OSC  No
Function Codes  16
CRC  No

     特性
Shift Operation, LED Drive, Overflow bits, Time-out, Battery low indicator


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