78Q8430

www.DataSheet4U.com 78Q8430 10/100 Ethernet MAC and PHY Simplifying System Integration TM DATA SHEET March 2009 DESCRIPTION The Teridian 78Q8430 is a 10/100 Fast Ethernet controller supporting multi-media offload. The device is optimized for host processor offloading and throughput enhancements for demanding multi-media applications found in Set Top Box, IP Video and Broadband Media Appliance applications. The 78Q8430 seamlessly interfaces to non-PCI processors through a simplified pseudo SRAM-like Host Bus Interface supporting 32/16/8 bit data bus widths. Supported features include IEEE802.3x flow control and full IEEE802.3 and 802.3u standards compliance. Supporting 10Base-T and 100Base-TX, the transceiver provides Auto MDI-X cable cross-over correction, AUTO Negotiation, Link Configuration and full/half duplex support with full duplex flow control. The line interface requires only a dual 1:1 isolation transformer. Numerous packet processing and IP address resolution control functions are incorporated, including an extensive set of Error Monitoring, Reporting and Troubleshooting features. The 78Q8430 provides optimal 10/100 Ethernet connectivity in demanding video streaming and mixed-media applications. BENEFITS Support for IEEE-802.3, IEEE-802.3u and IEEE-802.3-2000 Annex 31.B Low host CPU utilization/overhead with minimal software driver overhead and small driver memory space requirements Improved packet processing, low latency and low host CPU utilization Highest ...