Microchip Technology MCS3122 KeeLoq® 编码器

Microchip MCS3122 KeeLoq® 编码器设计用于安全遥控无钥匙进入 (RKE) 和安全的远程控制系统。 编码器是一个需要极少外部元件的经济实惠而又安全的解决方案。 MCS3122 具有用于种子密钥传输的可编程 32 位序列号和 AES-128 分组密码。 典型应用包括车辆和家庭车库门开门装置。

特性

  • 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 an internal pull-up resistor
    • 14-pin 4.4mm TSSOP Package

应用

  • Vehicles and home garage door openers

Typical Circuit

Microchip Technology MCS3122 KeeLoq® 编码器
发布日期: 2016-10-27 | 更新日期: 2022-03-11