The RealTime Clock function in SPLat provides a comprehensive set of features to allow you to build controller application that are aware of and react to the time of day and the date. Features of the RTC include:
This documentation is organized as two major sections. The first section describes the workings of the RTC in terms of the hardware and how the various part relate to each other. The second section is a programming guide. You need to have a general understanding of the first before you can understand the second.