HCS300-I/SN

MICROCHIP  HCS300-I/SN  芯片, 跳码编码器, KEELOQ, SOIC8

The is a Code Hopping Encoder designed for secure remote keyless entry RKE systems. The HCS300 utilizes patented KEELOQ® hopping technology incorporates high security to make this device a perfect solution for unidirectional remote keyless entry systems and access control systems. The HCS300 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 encryption key, serial number and configuration data are stored in EEPROM, which is not accessible via any external connection. This makes the HCS300 a very secure unit.

.

Programmable 28-bit serial number

.

Programmable 64-bit encryption key

.

Each transmission is unique

.

66-bit transmission code length

.

32-bit hopping code

.

28-bit Serial number, 4-bit button code, 2-bit status

.

Crypt keys are read protected

.

Four button inputs

.

No additional circuitry required

.

15 functions

.

Selectable baud rate

.

Automatic code word completion

.

Low battery signal transmitted to receiver

.

Non-volatile synchronization data

.

Easy-to-use programming interface

.

On-chip EEPROM

.

On-chip oscillator and timing components

.

Button inputs have internal pull-down resistors

.

Current limiting on LED output

.

Low external component cost

ESD sensitive device, take proper precaution while handling the device.