GENERAL DESCRIPTION
The MX98745, Second generation 100 Mb/s TX/FX Hub Controller (XRC II), is designed specifically to meet the needs of todays high speed Fast Ethernet networking systems. The MX98745 is fully IEEE 802.3u D5 clause 27 repeater compatible.

FEATURES
• IEEE 802.3u D5 repeater and management compatible
• Support 7 TX/FX ports and 1 universal port (TX or MII port selectable)
• Support 8-scale utilization and collision rate LED display
• Asynchronous Expansion port clock supported for easily stackable application
• Separate jabber and partition state machines for each port
• On-chip elasticity buffer for PHY signal re-timing to the MX98745 clock source
• Contents of internal register loaded from EEPROM
• PCS/MAC type MII interface selectable
• CMOS device features high integration and low power with a signle +5V supply