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參數(shù)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(shù)手冊,4月2日
文件頁數(shù): 48/118頁
文件大小: 890K
代理商: L84225
48 of 118
April, 2002
L84225 Quad 100BaseTX/FX/10BaseT Phys. Layer Device - Technical Manual
Copyright 1999-2002 by LSI Logic Corporation. All rights reserved.
2.22 Clock
The L84225 requires a 25 MHz reference frequency for internal signal
generation in MII mode, and 50 MHz in RMII mode. This reference
frequency must be applied to the CLKIN pin.
2.23 LED Drivers
The LED[3:0] outputs can drive LEDs tied to either VDD or GND. The
LED definitions assume that the LED outputs are active low. If the LED
Anodes are tied to the positive power supply (through limiting resistors),
the LED will indicate the event as shown in
Table 4
. If the LED Cathodes
are tied to ground and the Anodes to the L84225 Driver output, they will
indicate the respective complementary events.
The LED[3:0] outputs can also drive other digital inputs.
Notes:
When the FX interface is enabled, LED0 becomes FEF. Default = 000
when pin LEDDEF = 0
Bits 16. [13:11] forced to 001 when pin LEDDEF = 1
Table 4
LED Function Definition
LEDDEF
LED3
LED2
LED1
LED0
1
LINK + ACT
COL
FDX
10/100
0
LINK 100
ACT
FDX
LINK10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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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