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HDMI stands for "High Definition Multimedia Interface" to transmit high quality video and audio in a single cable. The HDMI Tx TX IP is composed of video, audio and HDCP cipher engine and intends to be integrated to a SoC to deliver high quality video and audio over a single cable.
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Figure 6-3 HDMI Block Diagram
6.13. RTC
The Real Time Clock (RTC) is a feature that can keep counting the time using external back-up battery when main system power-off. In this design a 32-bits counter is implemented for time in seconds. The conversion from second to time and date is calculated by software.
This designalso provides an alarm feature that can be used to allow main system to 'wake up' after shut down to execute tasks in a certain moment. The alarm setting in seconds, the conversion from to time and date to second is calculated by software.
Back-up power source can used A Super Cap or a coin battery (like CR2032), and build-in charging circuit without any external component.
Associated control registers locate in Group116.0~31 which memory map to 9C003A00h-9C003A7Ch.