HCS320
HCS320 is KEELOQ Code Hopping Encoder manufactured by Microchip Technology.
KEELOQ® Code Hopping Encoder
Features
Security
- Programmable 28-bit serial number
- Programmable 64-bit encryption key
- Each transmission is unique
- 66-bit transmission code length
- 32-bit hopping code
- 34-bit fixed code (28-bit serial number,
4-bit function code, 2-bit status)
- Encryption keys are read protected
Operating
- 3.5V
- 13.0V operation
- Shift key and three inputs
- 16 functions available
- Selectable baud rate
- Automatic code word pletion
- Battery low signal transmitted to receiver
- Battery low indication on LED
- Non-volatile synchronization data
Other
- Easy-to-use programming interface
- On-chip EEPROM
- On-chip oscillator and timing ponents
- Button inputs have internal pull-down resistors
- Current limiting on LED output
- Low external ponent cost
Typical Applications
The HCS320 is ideal for Remote Keyless Entry (RKE) applications. These applications...