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