DP83848MSQ National Semiconductor, DP83848MSQ Datasheet - Page 70

• Manufacturer Part Number: DP83848MSQ
• Manufacturer: National Semiconductor

Specifications of DP83848MSQ

• Lead Free Status / RoHS Status: Compliant

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8.2.15 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.
8.2.16 10BASE-T Receive Timing (End of Packet)
T2.15.1
T2.15.2
T2.15.3
T2.16.1
Parameter
Parameter
RXD[3:0]
RX_CLK
RX_DV
TPRD
CRS
PMD Input Pair
Carrier Sense Turn On Delay (PMD
Input Pair to CRS)
RX_DV Latency
Receive Data Latency
Carrier Sense Turn Off Delay
RX_CLK
CRS
1
Description
Description
T2.15.1
0
0000
T2.15.2
1
0
1
1
0
1
Measurement shown from SFD
0
0
Preamble
70
1st SFD bit decoded
1
0
Notes
Notes
1
T2.15.3
1
1
IDLE
T2.16.1
SFD
Min
Min
Typ
Typ
630
10
8
1000
Max
Max
1.0
Data
Units
Units
bits
bits
ns
s