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參數(shù)資料
| 型號： | LAN9116 |
| 廠商： | SMSC Corporation |
| 英文描述： | Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller |
| 中文描述： | 高效的單芯片10/100非PCI以太網(wǎng)控制器 |
| 文件頁數(shù)： | 54/126頁 |
| 文件大?。?/td> | 831K |
| 代理商： | LAN9116 |
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Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
Revision 1.1 (05-17-05)
54
SMSC LAN9116
DATASHEET
When performing a fast-forward, there must be at least 4 DWORDs of data in the RX data FIFO for
the packet being discarded. For less than 4 DWORDs do not use RX_FFWD. In this case data must
be read from the RX data FIFO and discarded using standard PIO read operations.
After initiating a fast-forward operation, do not perform any reads of the RX data FIFO until the
RX_FFWD bit is cleared. Other resources can be accessed during this time (i.e., any registers and/or
the other three FIFOs). Also note that the RX_FFWD will only fast-forward the RX data FIFO, not the
RX status FIFO. After an RX fast-forward operation the RX status must still be read from the RX status
FIFO.
The receiver does not have to be stopped to perform a fast-forward operation.
3.13.1.2
Force Receiver Discard (Receiver Dump)
In addition to the Receive data Fast Forward feature, LAN9116 also implements a receiver "dump"
feature. This feature allows the host processor to flush the entire contents of the RX data and RX
status FIFOs. When activated, the read and write pointers for the RX data and status FIFOs will be
returned to their reset state. To perform a receiver dump, the LAN9116 receiver must be halted. Once
the receiver stop completion is confirmed, the RX_DUMP bit can be set in the RX_CFG register. The
RX_DUMP bit is cleared when the dump is complete. For more information on stopping the receiver,
please refer to
Section 3.13.4, "Stopping and Starting the Receiver," on page 56
. For more information
on the RX_DUMP bit, please refer to
Section 5.3.7, "RX_CFG—Receive Configuration Register," on
page 73
.
3.13.2
RX Packet Format
The RX status words can be read from the RX status FIFO port, while the RX data packets can be
read from the RX data FIFO. RX data packets are formatted in a specific manner before the host can
read them. It is assumed that the host has previously read the associated status word from the RX
status FIFO, to ascertain the data size and any error conditions.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LAN9116-MD | 功能描述:以太網(wǎng) IC Efficient 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 |
| LAN9116-MT | 功能描述:以太網(wǎng) IC Ethernet IC 32bit Superior Perf 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 |
| LAN9117 | 制造商:SMSC 制造商全稱:SMSC 功能描述:HIGH PERFORMANCE SINGLE-CHIP 10/100 NON-PCI ETHERNET CONTROLLER |
| LAN9117-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 |
| LAN9117-MT | 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 |
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