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| 型號(hào)： | LAN9117-MT |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HIGH PERFORMANCE SINGLE-CHIP 10/100 NON-PCI ETHERNET CONTROLLER |
| 中文描述： | 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100 |
| 封裝： | ROHS COMPLIANT, TQFP-100 |
| 文件頁(yè)數(shù)： | 104/131頁(yè) |
| 文件大?。?/td> | 1531K |
| 代理商： | LAN9117-MT |
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High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Revision 1.1 (05-17-05)
104
SMSC LAN9117
DATASHEET
5.4.9
VLAN1—VLAN1 Tag Register
This register contains the VLAN tag field to identify VLAN1 frames. For VLAN frames the legal frame
length is increased from 1518 bytes to 1522 bytes.
2
Pass Control Frames (FCPASS).
When set, the MAC sets the Packet Filter bit in the Receive packet
status to indicate to the Application that a valid Pause frame has been received. The Application must
accept or discard a received frame based on the Packet Filter control bit. The MAC receives, decodes
and performs the Pause function when a valid Pause frame is received in Full-Duplex mode and when
flow control is enabled (FCE bit set). When reset, the MAC resets the Packet Filter bit in the Receive
packet status.
The MAC always passes the data of all frames it receives (including Flow Control frames) to the
Application. Frames that do not pass Address filtering, as well as frames with errors, are passed to
the Application. The Application must discard or retain the received frame’s data based on the
received frame’s STATUS field. Filtering modes (Promiscuous mode, for example) take precedence
over the FCPASS bit.
1
Flow Control Enable (FCEN).
When set, enables the MAC Flow Control function. The MAC decodes
all incoming frames for control frames; if it receives a valid control frame (PAUSE command), it
disables the transmitter for a specified time (Decoded pause time x slot time). When reset, the MAC
flow control function is disabled; the MAC does not decode frames for control frames.
Note:
Flow Control is applicable when the MAC is set in Full Duplex Mode. In Half-Duplex mode,
this bit enables the Backpressure function to control the flow of received frames to the MAC.
0
Flow Control Busy (FCBSY).
This bit is set high whenever a pause frame or back pressure is being
transmitted. This bit should read logical 0 before writing to the Flow Control (FLOW) register. During
a transfer of Control Frame, this bit continues to be set, signifying that a frame transmission is in
progress. After the PAUSE control frame’s transmission is complete, the MAC resets to 0.
Notes:
■
When writing this register the FCBSY bit must always be zero.
■
Applications must always write a zero to this bit
Offset:
9
Attribute:
R/W
Default Value:
00000000h
Size:
32 bits
BITS
DESCRIPTION
31-16
Reserved
15-0
VLAN1 Tag Identifier (VTI1).
This contains the VLAN Tag field to identify the VLAN1 frames. This
field is compared with the 13th and 14th bytes of the incoming frames for VLAN1 frame detection.
If used, this register must be set to 0x8100.
BITS
DESCRIPTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LAN9118 | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN9118-MD | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN9118-MT | HIGH PERFORMANCE SINGLE CHIP 10/100NON PCI ETHERNET CONTROLLER |
| LAN91C100-FD-SS | FEAST Fast Ethernet Controller with Full Duplex Capability |
| LAN91C100-FD | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LAN9118 | 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller |
| LAN9118_05 | 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller |
| LAN9118_07 | 制造商:SMSC 制造商全稱:SMSC 功能描述:High Performance Single-Chip 10/100 Non-PCI Ethernet Controller |
| LAN9118-MD | 功能描述:以太網(wǎng) IC HiPerfrm Sngl-Chip 10/100 Ethrnt 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 |
| LAN9118-MT | 功能描述:以太網(wǎng) IC Ethernet IC 32bit High Performance 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 |
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