MCS3122

MCS3122 MCS3122 Advanced KEELOQ® Technology Encoder Data Sheet Features Overview Advanced KEELOQ® Technology: - Programmable 32-bit serial number - Programmable 32-bit serial number for seed transmissions - AES-128 block cipher - Programmable 128-bit crypt key - 160/192-bit transmission code length: - 32-bit unencrypted portion - 128-bit encrypted, code hopping portion - 32-bit authorization check (optional) Operating Features: - 2.0 to 3.7V operation - Three switch inputs - Seven functions available - One active-low LED drive - Configurable maximum code word RF: - Configurable bit rate - Configurable modulation, supporting FSK and OOK - Configurable data modulation, supporting PWM and Manchester Other: - Button inputs have internal pull-up resistors Typical Applications MCS3122 is ideal for Remote Keyless Entry (RKE) applications. These applications include: Automotive RKE Systems Automotive Alarm Systems Gate and Garage Door Openers Home Security S...