The HDMI V2.1 Tx complies with version 2.1 of the HDMI specification and offers a full single-link HDMI transmitter capability. It is made up of two modules: a link module and a physical layer. The connection module is implemented as a synthesizable soft IP, but the PHY is upper compatible with DVI transmitter and implemented as a hard IP. The transmission of audiovisual contents is secured by an integrated High band width Digital Content Protection (HDCP) encryption function.