DP83848J_07 NSC [National Semiconductor], DP83848J_07 Datasheet - Page 70
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DP83848J_07
Manufacturer Part Number
DP83848J_07
Description
Manufacturer
NSC [National Semiconductor]
Datasheet
1.DP83848J_07.pdf
(78 pages)
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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
1
Notes
T2.15.3
1
1
IDLE
T2.16.1
SFD
Min
Min
Typ
630
Typ
10
8
1000
Max
Max
1.0
Data
Units
Units
bits
bits
ns
µs
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