DP83848YB_08 NSC [National Semiconductor], DP83848YB_08 Datasheet - Page 74
DP83848YB_08
Manufacturer Part Number
DP83848YB_08
Description
Manufacturer
NSC [National Semiconductor]
Datasheet
1.DP83848YB_08.pdf
(84 pages)
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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)
T2.17.1
T2.17.2
T2.17.3
T2.18.1
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
T2.17.1
0
0000
T2.17.2
1
0
1
1
0
1
Measurement shown from SFD
0
0
Preamble
74
1st SFD bit decoded
1
0
Notes
Notes
1
1
T2.17.3
1
IDLE
T2.18.1
SFD
Min
Min
Typ
Typ
630
10
8
1000
Max
Max
1.0
Data
Units
Units
bits
bits
ns
s
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