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參數(shù)資料
| 型號(hào)： | 9860 |
| 廠商： | Intel Corp. |
| 英文描述： | Advanced 10/100 Repeater with Intergrated Management |
| 中文描述： | 高級(jí)10/100中繼器與綜合管理 |
| 文件頁(yè)數(shù)： | 20/118頁(yè) |
| 文件大小： | 1648K |
| 代理商： | 9860 |
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LXT9860/9880
—
Advanced 10/100 Repeater with Integrated Management
20
Datasheet
Document #: 248987
Revision#: 003
Rev Date: 08/07/01
Table 3. MII #1 Signal Descriptions
Pin
Symbol
Type
1, 2
Description
9
MII1_SPD
I
PU
Speed Select - MII 1.
This signal is sensed at power up,
hardware reset, and software reset. Selects operating speed of
the respective MII (MAC) interface.
High = 100 Mbps. Low = 10 Mbps.
31
32
34
35
MII1_RXD0
MII1_RXD1
MII1_RXD2
MII1_RXD3
O
Receive Data - MII 1.
The LXT98x0 transmits received data to
the controller on these outputs. Data is driven on the falling edge
of MII1_RXCLK.
30
MII1_RXDV
O
Receive Data Valid - MII 1.
Active High signal, synchronous to
MII1_RXCLK, indicates valid data on MII1_RXD<3:0>.
29
MII1_RXCLK
O
Receive Clock - MII 1.
MII receive clock for expansion port. This
is a 2.5 or 25 MHz clock derived from the CLK25 input (refer to
Table 11 on page 30
).
26
MII1_RXER
O
Receive Error - MII 1.
Active High signal, synchronous to
MII1_RXCLK, indicates invalid data on MII1_RXD<3:0>.
24
MII1_TXER
I
Transmit Error - MII 1.
MII1_TXER is a 100 Mbps-only signal.
The MAC asserts this input when an error has occurred in the
transmit data stream. The LXT98x0 responds by sending
‘
Invalid
Code Symbols
’
on the line.
23
MII1_TXCLK
O
Transmit Clock - MII 1.
This is a 2.5 or 25 MHz clock derived
from the CLK25 input (refer to
Table 11 on page 30
).
22
MII1_TXEN
I
Transmit Enable - MII 1.
External controllers drive this input High
to indicate data is transmitted on the MII1_TXD<3:0> pins.
Ground this input if unused.
21
20
19
17
MII1_TXD0
MII1_TXD1
MII1_TXD2
MII1_TXD3
I
Transmit Data - MII 1.
External controllers use these inputs to
transmit data to the LXT98x0. The LXT98x0 samples
MII1_TXD<3:0> on the rising edge of MII1_TXCLK, when
MII1_TXEN is High.
14
MII1_COL
O
Collision - MII 1.
The LXT98x0 drives this signal High to indicate
a collision occurred.
13
MII1_CRS
O
Carrier Sense - MII 1.
Active High signal indicates LXT98x0 is
transmitting or receiving.
1. I = Input, O = Output, I/O = Input/Output, D = Digital, A = Analog, AI = Analog Input,
A I/O = Analog Input/Output, OD = Open Drain, OS = Open Source, PD = Pull Down, PU = Pull Up.
NC = No Clamp. Pad does not clamp input in the absence of power.
2. Pins are 5V tolerant, unless indicated.
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| 9860 0101000 | 功能描述:同軸電纜 16AWG 1PR SHIELD 1000ft SPOOL BLACK RoHS:否 制造商:Murata RG 類型: 阻抗:50 Ohms 線規(guī) - 美國(guó)線規(guī)（AWG）: 導(dǎo)體材料: 絞合: 長(zhǎng)度:300 mm 外殼材料: 外徑: 屏蔽: |
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