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參數(shù)資料
| 型號： | KSZ8873MLL AM TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 67/115頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ETHERNET SWITCH 3PORT 64LQFP |
| 產(chǎn)品培訓(xùn)模塊： | KSZ8873 Ethernet Switches |
| 標準包裝： | 1,000 |
| 控制器類型： | 以太網(wǎng)開關(guān)控制器 |
| 接口： | MII |
| 電源電壓： | 1.8V，2.5V，3.3V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應(yīng)商設(shè)備封裝： | 64-PQFP（10x10） |
| 包裝： | 帶卷 (TR) |
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Micrel, Inc.
KSZ8873MLL/FLL/RLL
September 20, 2013
55
Revision 1.6
Register 3 (0x03): Global Control 1
Bit
Name
R/W
Description
Default
7
Pass All Frames
R/W
=1, Switch all packets including bad ones. Used solely for debugging
purposes. Works in conjunction with sniffer mode only.
0
6
Port 3 Tail Tag
Mode Enable
R/W
=1, Enable port 3 tail tag mode.
=0, Disable.
0
5
IEEE 802.3x Transmit
Direction Flow
Control Enable
R/W
=1, Will enable transmit direction flow control feature.
=0, Will not enable transmit direction flow control feature. Switch will not
generate any flow control (PAUSE) frame.
1
4
IEEE 802.3x Receive
Direction Flow
Control Enable
R/W
=1, Will enable receive direction flow control feature.
=0, Will not enable receive direction flow control feature. Switch will not react
to any flow control (PAUSE) frame it receives.
1
3
Frame Length
Field Check
R/W
=1, Will check frame length field in the IEEE packets. If the actual length
does not match, the packet will be dropped (for Length/Type field < 1500).
=0, Not check
0
2
Aging Enable
R/W
=1, Enable age function in the chip
=0, Disable age function in the chip
1
Fast Age Enable
R/W
=1, Turn on fast age (800us)
0
Aggressive
Back-Off Enable
R/W
=1, Enable more aggressive back off algorithm in half duplex mode to
enhance performance. This is not an IEEE standard.
0
Register 4 (0x04): Global Control 2
Bit
Name
R/W
Description
Default
7
Unicast
Port-VLAN
Mismatch Discard
R/W
This feature is used with port-VLAN (described in reg. 17, reg. 33, …)
=1, All packets can not cross VLAN boundary
=0, Unicast packets (excluding unkown/multicast/ broadcast) can cross VLAN
boundary
Note: Port mirroring is not supported if this bit is set to “0”.
1
6
Multicast Storm
Protection Disable
R/W
=1, “Broadcast Storm Protection” does not include multicast packets. Only DA =
FF-FF-FF-FF-FF-FF packets will be regulated.
=0, “Broadcast Storm Protection” includes
DA = FF-FF-FF-FF-FF-FF and
DA[40] = 1 packets.
1
5
Back Pressure
Mode
R/W
=1, Carrier sense based backpressure is selected
=0, Collision based backpressure is selected
1
4
Flow Control and
Back Pressure Fair
Mode
R/W
=1, Fair mode is selected. In this mode, if a flow control port and a non-flow
control port talk to the same destination port, packets from the non-flow control
port may be dropped. This is to prevent the flow control port from being flow
controlled for an extended period of time.
=0, In this mode, if a flow control port and a non-flow control port talk to the same
destination port, the flow control port will be flow controlled. This may not be “fair”
to the flow control port.
1
3
No Excessive
Collision Drop
R/W
=1, The switch will not drop packets when 16 or more collisions occur.
=0, The switch will drop packets when 16 or more collisions occur.
0
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KSZ8873MLL-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 3-Port Fast Ethernet Switch with 1x MII Interface - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
| KSZ8873MLLI | 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 1x RMII Interface (Industrial Grade, Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8873MLLJ | 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 1x RMII Interface (Extended Temp) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8873MML | 功能描述:以太網(wǎng) IC 3-Port Fast Ethernet Switch with 2x MII Interface, Lead Free RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8873MML-EVAL | 功能描述:以太網(wǎng)開發(fā)工具 3-Port Fast Ethernet Switch with 2x MII Interface - Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類型:Ethernet Transceivers 工具用于評估:KSZ8873RLL 接口類型:RMII 工作電源電壓: |
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