Datasheet

www.national.com 74
DP83848T
8.2.23 10 Mb/s Internal Loopback Timing
Note: Measurement is made from the first rising edge of TX_CLK after assertion of TX_EN.
Parameter Description Notes Min Typ Max Units
T2.23.1 TX_EN to RX_DV Loopback 10 Mb/s internal loopback mode 2 ยตs
TX_CLK
TX_EN
TXD[3:0]
CRS
RX_CLK
RXD[3:0]
RX_DV
T2.23.1