參數(shù)資料
型號: DP83848HSQ/NOPB
廠商: National Semiconductor
文件頁數(shù): 72/82頁
文件大小: 0K
描述: IC TXRX ETHERNET PHYTER 40-LLP
產(chǎn)品培訓(xùn)模塊: PHYTER® Family
標(biāo)準(zhǔn)包裝: 1
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: 以太網(wǎng)
電源電壓: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 40-LLP-EP(6x6)
包裝: 剪切帶 (CT)
配用: DP83848H-MAU-EK-ND - BOARD EVALUATION DP83848H
其它名稱: *DP83848HSQ/NOPB
DP83848HSQCT
73
www.national.com
DP
83
84
8
H
8.2.21 100BASE-TX Signal Detect Timing
Note: The signal amplitude on PMD Input Pair must be TP-PMD compliant.
8.2.22 100 Mb/s Internal Loopback Timing
Note: Due to the nature of the descrambler function, all 100BASE-TX Loopback modes will cause an initial “dead-time”
of up to 550
s during which time no data will be present at the receive MII outputs. The 100BASE-TX timing specified is
based on device delays after the initial 550
s “dead-time”.
Note: Measurement is made from the first rising edge of TX_CLK after assertion of TX_EN.
Parameter
Description
Notes
Min
Typ
Max
Units
T2.21.1
SD Internal Turn-on Time
1
ms
T2.21.2
SD Internal Turn-off Time
350
s
Parameter
Description
Notes
Min
Typ
Max
Units
T2.22.1
TX_EN to RX_DV Loopback
100 Mb/s internal loopback mode
240
ns
SD+ internal
PMD Input Pair
TX_CLK
TX_EN
TXD[3:0]
CRS
RX_CLK
RXD[3:0]
RX_DV
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