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參數資料
型號: L84225
英文描述: L84225 100BaseTX/FX/10BaseT Physical Layer Device technical manual 4/02
中文描述: L84225 100BaseTX/FX/10BaseT物理層設備的技術手冊,4月2日
文件頁數: 7/118頁
文件大小: 890K
代理商: L84225
Pin Description
Copyright 1999-2002 by LSI Logic Corporation. All rights reserved.
7 of 118
April, 2002
Controller Interface (MII & RMII) [Continued]
Pin #
Pin Name
I/O
Description
85
67
48
29
RXER_[3:0]/
RXD4_[3:0]
O
Receive Error Output.
These interface outputs are asserted
active high when coding or other specified errors are detected on
the TP or FX inputs and are clocked out on falling edges of
RXCLK.
If the channel is placed in the Bypass 4B5B Decoder mode, these
pins are reconfigured to be the fifth RXD receive data output,
RXD4.
93
75
57
37
COL_[3:0]
O
Collision Output.
These interface outputs are asserted active
high when collision between transmit and receive data is detected.
Management Interface (MI)
Pin #
Pin Name
I/O
Description
99
MDC
I
Management Interface (MI) Clock Input.
This MI clock shifts
serial data into and out of MDIO on rising edges.
97
MDIO
I/O
Management Interface (MI) Data Input/Output.
This bidirectional
pin contains serial data that is clocked in and out on rising edges
of the MDC clock.
98
REGDEF
I
Pullup
Invalid Register Read Select
This active low input controls the
default values that are read from invalid (unused) register
locations.
1 = All unused register locations return a value of ‘0000’ when
read.
0 = All unused register locations return a value of ‘ffff’ when read.
Note
: Not available on Rev. B product. On Rev. B product all
invalid register locations return a value of ‘0000’ when read.
20
19
18
PHYAD[4:2]
I
MI Physical Device Address Input.
These pins set the three
most significant bits of the PHY address. The two least significant
bits of the PHY address are set internally to match the channel
number, as shown below:
PHYAD1
1
1
0
0
PHYAD0
1
0
1
0
Channel 3
Channel 2
Channel 1
Channel 0
Pin Description (Cont.)
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相關代理商/技術參數
參數描述
L84225/B1 制造商:LSI Corporation 功能描述:
L8446-04 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:CW LASER DIODES
L8446-06 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:CW LASER DIODES
L8446-07 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:CW LASER DIODES
L8446-41 制造商:HAMAMATSU 制造商全稱:Hamamatsu Corporation 功能描述:CW LASER DIODES
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