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參數(shù)資料
| 型號(hào)： | MDS213 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | 12-Port 10/100Mbps + 1Gbps Ethernet Switch |
| 中文描述： | 12口10/100Mbps千兆以太網(wǎng)交換機(jī) |
| 文件頁(yè)數(shù)： | 91/120頁(yè) |
| 文件大?。?/td> | 1678K |
| 代理商： | MDS213 |
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MDS213
Data Sheet
91
Zarlink Semiconductor Inc.
18.2.10.10 ACKTM - Timer For SOF Checking
Access:
Non-Zero-Wait-State,
Direct Access,
Write/Read
Address:
h610
Bit [9:0]
XOFF_CKTM
The time out value to check SOF after XOFF
Bit [31:10] Reserved
Note that the purpose of this timer is to avoid continuously sending the XOFF frames. The XOFF Frame is triggered
by the incoming frames when no resources are available in the DS chip. Ideally, after the first XOFF frame is sent
out, we expect no frames to be received until we send out the XON frame. However, the connected device may not
interpret XOFF frames correctly (or may react slowly) and still keep sending data frames to this congested port. In
this case, the congested port will want to send another XOFF frame each time another frame is received. To avoid
this scenario, we set the ACKTM timer to prevent the congested port from sending XOFF frames for every incoming
frame in congestion period before the timer expires.
18.2.10.11 AFCHT10 - Flow Control Hold Time Of 10Mbps Port
Access:
Non-Zero-Wait-State,
Direct Access,
Write/Read
Address:
h620
Bit [15:0]
HBK_TM_10
Holding time to remote station for 10Mbps port when the chip
detects the head of line blocking counter has run out. The holding
time value is embedded in the flow control frame sent to the remote
station.
Bit [31:16] Reserved
18.2.10.12 AFCHT 100 - Flow Control Hold Time Of 100Mbps Port
Access:
Non-Zero-Wait-State,
Direct Access,
Write/Read
Address:
h624
Bit [15:0]
HBK_TM_100
Holding time to remote station for 100Mbps port when the chip
detects the head of line blocking counter has run out. The holding
time value is embedded in the flow control frame sent to the remote
station.
Bit [31:16] Reserved
31
9
0
XOFF_CKTM
10
31
16 15
0
HBK_TM_10
31
16 15
0
HBK_TM_100
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MDS213CG | 12-Port 10/100Mbps + 1Gbps Ethernet Switch |
| MDS220 | Analog IC |
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| MDS35-800 | DIODE / SCR MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MDS213CG | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:12-Port 10/100Mbps + 1Gbps Ethernet Switch |
| MDS217 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| MDS-21E09 | 制造商:ITT Interconnect Solutions 功能描述:BACKSHELL - Bulk |
| MDS21P-6AA-000 | 制造商:Amphenol Corporation 功能描述:MICRO D/18in WIRE 26AWG 7 STRD THRU HOLE |
| MDS21P-6BF-000 | 制造商:Amphenol Corporation 功能描述:MICRO D/36in WIRE 26AWG 7 STRD FLOT |
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