The CoreTSE is a comprehensive Triple-Speed MAC Core (Media Access Controller) designed to support Ethernet operation at 10/100/1000 Mbps. It provides a full-featured MAC with standard interfaces for connecting to an Ethernet PHY (Physical Layer), including the Gigabit Media Independent Interface (G/MII) or the Serial Gigabit Media Independent Interface (SGMII) Ten Bit Interface (TBI). The core handles the main functionalities of an Ethernet MAC, such as packet transmission and reception, configuration, and status monitoring. CoreTSE and CoreTSE_AHB are included in the CoreTSE_AHB license.