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參數(shù)資料
| 型號： | LAN91C100-FD-SS |
| 廠商： | STANDARD MICROSYSTEMS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | FEAST Fast Ethernet Controller with Full Duplex Capability |
| 中文描述： | 2 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP208 |
| 封裝： | GREEN, QFP-208 |
| 文件頁數(shù)： | 33/67頁 |
| 文件大小： | 369K |
| 代理商： | LAN91C100-FD-SS |
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SMSC DS – LAN91C100FD REV. B
Page 33
Rev. 01-20-06
The TX EMPTY INT ENABLE should only be set after the following steps:
a) a packet is enqueued for transmission
b) the previous empty condition is cleared (acknowledged)
TX INT - Set when at least one packet transmission was completed. The first packet number to be serviced can be read
from the FIFO PORTS register. The TX INT bit is always the logic complement of the TEMPTY bit in the FIFO PORTS
register. After servicing a packet number, its TX INT interrupt is removed by writing the Interrupt Acknowledge Register with
the TX INT bit set.
RCV INT - Set when a receive interrupt is generated. The first packet number to be serviced can be read from the FIFO
PORTS register. The RCV INT bit is always the logic complement of the REMPTY bit in the FIFO PORTS register.
ERCV INT - Early receive interrupt. Set whenever a receive packet is being received, and the number of bytes received
into memory exceeds the value programmed as ERCV THRESHOLD (Bank 3, Offset Ch). ERCV INT stays set until
acknowledged by writing the INTERRUPT ACKNOWLEDGE REGISTER with the ERCV INT bit set.
Note:
If the driver uses AUTO RELEASE mode it should enable TX EMPTY INT as well as TX INT. TX EMPTY INT will be
set when the complete sequence of packets is transmitted. TX INT will be set if the sequence stops due to a fatal error on
any of the packets in the sequence.
FIGURE 5 -
STRUCTURE
INTERRUPT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LAN91C100FD-SS | 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC 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 |
| LAN91C100-FD-ST | 制造商:SMSC 制造商全稱:SMSC 功能描述:FEAST Fast Ethernet Controller with Full Duplex Capability |
| LAN91C100FD-ST | 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC 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 |
| LAN91C100FDTQFP | 功能描述:以太網(wǎng) IC Non-PCI 10/100 Ethernet MAC 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 |
| LAN91C100QFP | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述: |
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