DM9000ISA to Ethernet MAC Controller with Integrated 10/100 PHYFinal 53Version: DM9000-DS-F02June 26, 2002After ModificationBit Name Default Description2:1 LBK 00,RW Loopback modeBit 2 10 0 normal0 1 MAC internal loopback1 0 internal PHY 100M mode digital loopback1 1 (Reserved)Table A-3-BBefore ModificationSymbol Parameter Min. Typ. Max. UnitT 3 SD Setup time 5 nsT 6 IOW invalid to next IOW （access DM9000） 80 nsTableA-4-AAfter ModificationSymbol Parameter Min. Typ. Max. UnitT 3 SD Setup time 22 nsT 6 IOW invalid to next IOW （access DM9000） 84 nsTable A-4-B
