Datasheet

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DP83849C
8.2.17 10BASE-T Receive Timing (Start of Packet)
Note: 10BASE-T RX_DV Latency is measured from first bit of preamble on the wire to the assertion of RX_DV
Note: 1 bit time = 100 ns in 10 Mb/s mode.
8.2.18 10BASE-T Receive Timing (End of Packet)
Parameter Description Notes Min Typ Max Units
T2.17.1 Carrier Sense Turn On Delay (PMD
Input Pair to CRS)
630 1000 ns
T2.17.2 RX_DV Latency 10 bits
T2.17.3 Receive Data Latency Measurement shown from SFD 8 bits
Parameter Description Notes Min Typ Max Units
T2.18.1 Carrier Sense Turn Off Delay 1.0 µs
TPRD±
CRS
RX_CLK
RX_DV
1st SFD bit decoded
RXD[3:0]
T2.17.1
T2.17.2
T2.17.3
101010101011
Preamble SFD Data
0000
1
0
1
PMD Input Pair
RX_CLK
CRS
IDLE
T2.18.1