Datasheet Summary
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 button code, 2-bit status)
- Encryption keys are read protected
Operating
- 3.5V
- 13.0V operation
- Four button inputs
- No additional circuitry required
- 15 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
- Functionally identical to HCS300
- Easy-to-use programming interface
- On-chip...