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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)： | 17/67頁 |
| 文件大小： | 369K |
| 代理商： | LAN91C100-FD-SS |
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SMSC DS – LAN91C100FD REV. B
Page 17
Rev. 01-20-06
The 802.3 Frame Length word (Frame Type in Ethernet) is not interpreted by the LAN91C100FD. It is treated transparently
as data both for transmit and receive operations.
CONTROL BYTE - For transmit packets the CONTROL BYTE is written by the CPU as:
X
X
ODD
CRC
0
0
0
0
ODD - If set, indicates an odd number of bytes, with the last byte being right before the CONTROL BYTE. If clear, the
number of data bytes is even and the byte before the CONTROL BYTE is not transmitted.
CRC - When set, CRC will be appended to the frame. This bit has only meaning if the NOCRC bit in the TCR is set.
For receive packets the CONTROL BYTE is written by the controller as:
0
1
ODD
0
0
0
0
0
ODD - If set, indicates an odd number of bytes, with the last byte being right before the CONTROL BYTE. If clear, the
number of data bytes is even and the byte before the CONTROL BYTE should be ignored.
RECEIVE FRAME STATUS WORDRECEIVE FRAME STATUS WORD
This word is written at the beginning of each receive frame in memory. It is not available as a register.
HIGH
BYTE
ERR
CAST
CRC
FRM
ALGN
BROD
BAD
ODD
TOOLNG
TOO
SHORT
LOW
BYTE
HASH VALUE
MULT
CAST
5
4
3
2
1
0
ALGNERR - Frame had alignment error. When MII SEL=1 alignmet error is set when BADCRC=1 and an odd number of
nibbles was received between SFD and RX_DV going inactive. When MII SEL=0 alignment error is set when BADCRC=1
and the number of bits received between SFD and the CRS going inactive is not an octet multiple.
BRODCAST - Receive frame was broadcast.
BADCRC - Frame had CRC error, or RX_ER was asserted during reception.
ODDFRM - This bit when set indicates that the received frame had an odd number of bytes.
TOOLNG - Frame length was longer than 802.3 maximum size (1518 bytes on the cable).
TOOSHORT - Frame length was shorter than 802.3 minimum size (64 bytes on the cable).
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PDF描述 |
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| LAN91C100-FD | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
| LAN91C100FD | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
| LAN91C100FDREVD | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
| LAN91C100FDREVB | FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY |
| LAN91C100FDTQFP | 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 |
|---|---|
| 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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