Introduction

This application note describes a KeeLoq® keyfob application using the ATA8510 device. The application is equipped with an ATAB8510B remote sensor board and software for the keyfob.

The keyfob includes the ATA8510 Sub-GHz device so it can enable communication with a classic Sub-GHz base station.

The application implements the Microchip’s KeeLoq crypto key generation and the communication protocol. It supports the following three KeeLoq variants:

Classic
Advanced
Ultimate

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.