參數(shù)資料
型號(hào)： LU3X54FTL
英文描述： QUAD-FET for 10Base-T/100Base-TX/FX
中文描述： 四核10Base-T/100Base-TX/FX場(chǎng)效應(yīng)管
文件頁數(shù)： 40/54頁
文件大?。?/td> 677K
代理商： LU3X54FTL
LU3X54FT
QUAD-FET for 10Base-T/100Base-TX/FX
Data Sheet
July 2000
40
Lucent Technologies Inc.
MII Station Management
(continued)
Unmanaged Operations
The LU3X54FT allows the user to set some of the station management functions during powerup or reset by strap-
ping outputs high or low through weak resistors (50 k
). Table 23 shows the functions and their associated output
pin. For detailed information on the function of these output pins, refer to the section on management registers
described earlier in this data sheet. Also, information on how these output pins should be strapped is discussed in
the Pin Descriptions section (Table 3 through Table 7).
Table 23. Output Pins
Mode Select
Table 24. LU3X54FT Modes
Function (Register/Bit)
PHYADD[2:0]
NO_LP
SPEED
CARIN_EN
ENC_DEC_BYPASS
SCRAM_DESC_BYPASS
REF_SEL
CLK20_SEL
FULL _DUP
SERIAL_SEL
CRS_SEL
BUSED_MII_MODE
SMART_MODE_SELECT
ISOLATE_MODE
FX_MODE_EN
RESERVED
Pin
Internal Pull-Up/Pull-Down
None
50 k
pull-down
100 k
up
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
50 k
pull-down
LINKLED[D:B]
LINKLED[A]
SPEEDLED[D]
TXLED[D]
TXLED[C]
TXLED[B]
TXLED[A]
H_DUPLED[A]
H_DUPLED[D]
H_DUPLED[C]
H_DUPLED[B]
SPEEDLED[B]
SPEEDLED[C]
SPEEDLED[A]
RXLED[D:A]
COLED[B:A]
MODE[4:0]
00000
00001—11111
Description
Normal operation
Reserved
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