HCS370 Datasheet

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  HCS370 Datasheet


The HCS370 is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS370 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 HCS370 combines a 32-bit hopping code generated by a non-linear encryption algorithm, with a 28/32-bit serial number and 5/3 status bits to create a 69-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 HCS370 a very secure unit. The HCS370 provides an easy-to-use serial interface for programming the necessary security keys, system parameters, and configuration data. The HCS370 operates over a wide voltage range of 2.05V to 5.5V and has four button inputs in an 14-pin configuration. This allows the system designer the freedom to utilize up to 15 functions.

参数名称  数值
Protocols  29
Transmission Code Length Bits  69
Other Features  Step-up voltage regulation, Dual Encoder Operation, 6 inputs, Queue counter
Seed Length   0
Code Hoppings Bits  32
Operating Voltage (V)  2.05 to 5.5
Tunable OSC  Yes
Function Codes  15
CRC  Yes

     特性
PWM, VPWM, PPM, Manchester Encoding
Internal Tunable Oscillator
Step-up Voltage Regulation
Dual Encoder Operation
6 Inputs
Queue Counter


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