DM9000ISA to Ethernet MAC Controller with Integrated 10/100 PHYFinal 39Version: DM9000-DS-F02June 26, 200210.4 AC Electrical Characteristics & Timing Waveforms10.4.1 TP InterfaceSymbol Parameter Min. Typ. Max. Unit ConditionstTR/F 100TX+/- Differential Rise/Fall Time 3.0 - 5.0 nstTM 100TX+/- Differential Rise/Fall TimeMismatch0 - 0.5 nstTDC 100TX+/- Differential Output Duty CycleDistortion0 - 0.5 nstT/T 100TX+/- Differential Output Peak-to-PeakJitter0 - 1.4 nsX OST 100TX+/- Differential Voltage Overshoot 0 - 5 %10.4.2 Oscillator/Crystal TimingSymbol Parameter Min. Typ. Max. Unit ConditionstCKC TCKC 39.998 40 40.002 ns 50ppmtPWH TCKC 16 20 24 nstPWL OSC Pulse Width Low 16 20 24 ns10.4.3 Processor Register Read TimingSymbol Parameter Min. Typ. Max. UnitT 1 System address valid to IOR valid 5 nsT 2 IOR width 22 nsT 3 SD Setup time 10 nsT 4 IOR invalid to SD invalid 4 nsT 5 IOR invalid to system address invalid 5 nsT 6 IOR invalid to next IOR valid （access DM9000） 80 nsT 7 System address valid to IO16,IO32 valid 5 nsT 8 System address invalid to IO16, IO32 invalid 5 nsT5T1IORSD→ ← ←→→←← →→ T4T3 →← ←AEN,SAIO16,IO32 Note 1.2T8←→T7←→T2 T6,CMD
