HCS320 - Microchip

HCS320 KEELOQ Code Hopping Encoder

HCS320 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 operat.

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 completion
• Battery low signal transmitted to receiver
• Battery low indication on LED
• Non-volatile synchronization data Other
• Easy-to-use programming interface
• On-chip EEPROM .