參數(shù)資料
型號: DP83848CVVX/NOPB
廠商: National Semiconductor
文件頁數(shù): 73/86頁
文件大?。?/td> 0K
描述: TXRX ETHERNET PHYTER 48LQFP
產(chǎn)品培訓(xùn)模塊: PHYTER® Family
標(biāo)準(zhǔn)包裝: 1
系列: *
其它名稱: DP83848CVVX/NOPBDKR
www.national.com
74
DP
83
84
8C
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
s
TPRD
±
CRS
RX_CLK
RX_DV
1st SFD bit decoded
RXD[3:0]
1
01010
101011
Preamble
SFD
Data
0000
1
0
1
PMD Input Pair
RX_CLK
CRS
IDLE
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