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參數(shù)資料
| 型號： | RTL8305SB |
| 英文描述： | RTL8305SB |
| 中文描述： | RTL8305SB |
| 文件頁數(shù)： | 17/66頁 |
| 文件大?。?/td> | 963K |
| 代理商： | RTL8305SB |
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RTL8305SB
2002/04/09
17
Rev.1.0
5.9 Strapping Pins
Those pins which are dual function pins are output for LED or input for strapping. Below are strapping descriptions only.
Pin Name
Pin No. Type
Description
EN_AUTOXOVER
69
I
Enable Auto crossover function.
1: Enable auto crossover detection.
0: Disable auto crossover detection. MDI only.
QWeight[1]
QWeight[0]
81
The frame service rate of High-pri queue: Low-pri queue
11: 16:1
10: always high priority queue first
01: 8:1
00: 4:1
8305SB = QWeight[1:0], 8305S = NC.
DisPortPri[4]
DisPortPri[3]
DisPortPri[2]
DisPortPri[1]
DisPortPri[0]
83
DisPortPri[1]: 1=Disable port 1 priority. 0=Enable port 1 priority.
DisPortPri[0]: 1=Disable port 0 priority. 0=Enable port 0 priority.
8305SB = DisPortPri[4:0], 8305S = NC.
LoopLED#
/DisTagPri
function is enabled, this pin indicates whether Network loop is detected
or not. Otherwise, this pin is of no use.
The LED statuses are represented as active-low or high depending on
input strapping.
=> If Input=1: Ouput 0= Network loop is detected. 1=No loop.
=> If Input=0: Ouput 1= Network loop is detected. 0= No loop.
Input upon reset = Disable 802.1p VLAN Tag priority based QoS
function.
1: Disable
0: Enable
8305SB = LoopLED#/DisTagPri, 8305S = EnP4LED. 8305SB moves
the EnP4LED option into EEPROM.
LED_ADD[0]/
DisFCAutoOff
Input upon reset = Disable Auto Turn Off function of Flow Control
Ability.
1: Disable
0: Enable. Enable Auto turn off low priority queue's flow control ability
1~2 sec whenever the port received a VLAN-tag or TOS/DS high
priority frame. The flow control ability will re-enabled when there is not
received and high priority frame during 1~2 sec.
LED_ADD[1]/
DISVLAN
1: Disable VLAN
0: Enable VLAN According to the internal registers
Cont…
Default
1
82
I
Weighted round robin ration of priority queue.
11
88
86
85
84
I
Enable Port based priority QoS function.
DisPortPri[4]: 1=Disable port 4 priority. 0=Enable port 4 priority.
DisPortPri[3]: 1=Disable port 3 priority. 0=Enable port 3 priority.
DisPortPri[2]: 1=Disable port 2 priority. 0=Enable port 2 priority.
11111
91
I/O
Output after reset = LoopLED# used for LED:
If the Loop detection
1
92
I/O
Output after reset = used for LED:
1
93
I/O
Output after reset = used for LED:
Input upon reset = Disable VLAN function.
1
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