Datasheet

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DP83848I
8.2.26 RMII Transmit Timing
Parameter Description Notes Min Typ Max Units
T2.26.1 X1 Clock Period 50 MHz Reference Clock 20 ns
T2.26.2 TXD[1:0], TX_EN, Data Setup
to X1 rising
4 ns
T2.26.3 TXD[1:0], TX_EN, Data Hold
from X1 rising
2 ns
T2.26.4 X1 Clock to PMD Output Pair
Latency
From X1 Rising edge to first bit of symbol 17 bits
X1
TXD[1:0]
TX_EN
Valid Data
T2.26.2
T2.26.3
T2.26.1
PMD Output Pair
Symbol
T2.26.4