From Linx Technologies

The MT Series transcoder is a remote control encoder and decoder in a single package. It is
designed for bi-directional remote control applications, such as Remote Keyless Entry (RKE) with confirmation. However, the MT Series is capable of much more thanks to a Serial Interface Engine (SIE). While basic operation can be acomplished easily with the hardware control lines, the SIE enables full software control without using any of the hardware control lines and also enables several advanced features. This application note provides details on the advanced features and serial command set of the MT. Sample code is provided as an example and without any warranty.

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