AX88872P

www.DataSheet4U.com AX88872P 10/100BASE Dual Speed “Swipeater” Controller 10/100BASE Dual Speed 8-Port Repeater with 4-Port Switch Document No.: AX872-13 / V1.3 / Aug. 11 ’99 Features Support 8 10/100Mbps RMII I/F repeater ports and 2 10/100Mbps RMII/MII switch ports IEEE 802.3u repeater compatible Support virtual switch mode and Master/Slave mode for the cascade application Build in 4-ports 10/100Mbps Switch engine with following features ü Low cost SSRAM interface to reduce system cost ü One or two 64K*32bit SSRAM to buffer packets ü 4/8 K MAC Address Entry Table is supported ü Auto learning and filtering ü Aging the MAC Address table is supported optionally ü Three forwarding modes are supported : Storeand-Forward, Fragment-Free and Auto-Forward ü Flow-control is supported optionally. ü 802.3x flow control is supported in full duplex mode ü Back-pressure base flow control is supported in half duplex mode ü Ext. Buffer Memory auto testing ü Routing and Learning at wire speed (148800 packets/sec at 100Mbps) Up-to 4 repeaters can be cascaded for vertical expansion Up-to 3 chips can be cascaded locally for horizontal expansion All ports can be separately isolated or partitioned in response to fault condition Separate jabber and partition state machines for each port Per-port LED display for Jabber, Partition, Activity. RAM test fail and collision, buffer utilization (%) and global traffic utilization (%) for 10/100Mbps presentation Power on LED diagnosis. All the LED...