Datasheet

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DP83848T
8.2.3 MII Serial Management Timing
8.2.4 100 Mb/s MII Transmit Timing
Parameter Description Notes Min Typ Max Units
T2.3.1 MDC to MDIO (Output) Delay Time 0 30 ns
T2.3.2 MDIO (Input) to MDC Setup Time 10 ns
T2.3.3 MDIO (Input) to MDC Hold Time 10 ns
T2.3.4 MDC Frequency 2.5 25 MHz
MDC
MDC
MDIO (output)
MDIO (input)
Valid Data
T2.3.1
T2.3.2 T2.3.3
T2.3.4
Parameter Description Notes Min Typ Max Units
T2.4.1 TX_CLK High/Low Time 100 Mb/s Normal mode 16 20 24 ns
T2.4.2 TXD[3:0], TX_EN Data Setup to TX_CLK 100 Mb/s Normal mode 10 ns
T2.4.3 TXD[3:0], TX_EN Data Hold from TX_CLK 100 Mb/s Normal mode 0 ns
TX_CLK
TXD[3:0]
TX_EN
Valid Data
T2.4.2 T2.4.3
T2.4.1 T2.4.1