HCS320 Datasheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifHCS320 DatasheetThe 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
Protocols1
Transmission Code Length Bits66
Other FeaturesShift Operation, LED Drive, Overflow bits, Time-out, Battery low indicator
Seed Length 32
Code Hoppings Bits32
Operating Voltage (V)3.5 to 13.0
Tunable OSCNo
Function Codes16
CRCNo
特性
Shift Operation, LED Drive, Overflow bits, Time-out, Battery low indicator
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