參數(shù)資料
型號(hào)： RTL8305SB
英文描述： RTL8305SB
中文描述： RTL8305SB
文件頁數(shù)： 14/66頁
文件大小： 963K
代理商： RTL8305SB
RTL8305SB
2002/04/09
14
Rev.1.0
5.5 Per Port LED Pins
Each port has four LED indicator pins. Each pin may have different indicator meanings as set by pins LEDMode[1:0].
All LED statuses are represented as active-low or high depending on input strapping, except Bi-color Link/Act in Bi-color
LED mode, whose polarity depends on Spd status.
Those pins which are dual function pins are output for LED or input for strapping. Below are LED descriptions only.
Pin Name
Pin No. Type
Description
LED_SPD[4:0]/…
120,
117,
113,
109,
105
LEDMode[1:0]=00 -> Speed (0n=100, Off=10)
Input upon reset = … Refer below for each pin.
LED_ACT[4:0]/…
119,
116,
111,
108,
104
LEDMode[1:0]=01 -> RxAct: (Off=no activity, ON=Rx activity)
LEDMode[1:0]=00 -> Link/Act: (On=Link, Off=no Link, Flash=Tx or
Rx activity)
Input upon reset = … Refer below for each pin.
LED_DUP[4:0]/…
118,
115,
110,
107,
103
collision, Flash=Collision)
LEDMode[1:0]=01 -> TxAct: (Off=no activity, ON=Tx activity)
LEDMode[1:0]=00 -> Col: (Off=Half with no collision, ON=Collide)
Input upon reset = … Refer below for each pin.
LED_ADD[4:0]/…
99,96,
95,93,
92
every 43ms when the corresponding port is transmitting or receiving in
100Mb/s. Blinking every 120ms when the port is transmitting or
receiving in 10Mb/s.
LEDMode[1:0]=10 -> Bi-color Link/Active: polarity depends on Spd
status. See Figure2 and Table1.
LEDMode[1:0]=01 -> Link: (On=Link, Off=no Link)
LEDMode[1:0]=00 -> Duplex: (On=Full, Off=Half)
Input upon reset = … Refer below for each pin.
8305SB = LED_ADD[4:0]/…, 8305S = NC.
Default
11111
I/O
Output after reset = used for 1
st
LED:
LEDMode[1:0]=11 -> Speed (0n=100, Off=10)
LEDMode[1:0]=10 -> Speed (0n=100, Off=10)
LEDMode[1:0]=01 -> Speed (0n=100, Off=10)
I/O
Output after reset = used for 2
nd
LED:
LEDMode[1:0]=11 -> Link/Act: (On=Link, Off=no Link, Flash=Tx or
Rx activity)
LEDMode[1:0]=10 -> Act: (Off=no activity, ON=Tx or Rx activity)
11111
I/O
Output after reset = used for 3
rd
LED:
LEDMode[1:0]=11 -> Duplex/Col: (On=Full, Off=Half with no
collision, Flash=Collision)
LEDMode[1:0]=10 -> Duplex/Col: (On=Full, Off=Half with no
11111
I/O
Output after reset = used for 4
th
LED:
LEDMode[1:0]=11 -> Link/Act/Spd: On for link established. Blinking
11111
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