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參數(shù)資料
| 型號： | 82596SX |
| 廠商： | Intel Corp. |
| 英文描述： | HIGH-PERFORMANCE 32-BIT LOCAL AREA NETWORK COPROCESSOR |
| 中文描述： | 高性能的32位局域網(wǎng)協(xié)處理器 |
| 文件頁數(shù)： | 59/77頁 |
| 文件大?。?/td> | 787K |
| 代理商： | 82596SX |
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82596DX/SX
where:
EOF
D Indicates that this is the last buffer related to the frame. It is cleared by the CPU
before starting the RU, and is written by the 82596 at the end of reception of the
frame.
F
D Indicates that this buffer has already been used. The Actual Count has no meaning
unless the F bit equals one. This bit is cleared by the CPU before starting the RU,
and is set by the 82596 after the associated buffer has been. This bit has the same
meaning as the Complete bit in the RFD and CB.
ACT COUNT
D This 14-bit quantity indicates the number of meaningful bytes in the buffer. It is
cleared by the CPU before starting the RU, and is written by the 82596 after the
associated buffer has already been used. In general, after the buffer is full, the
Actual Count value equals the size field of the same buffer. For the last buffer of
the frame, Actual Count can be less than the buffer size.
NEXT BD ADDRESS
D The offset (absolute address in the Linear mode) of the next RBD on the list. It is
meaningless if EL
e
1.
D The starting address of the memory area that contains the received data. In the
82586 mode, this is a 24-bit address (with pins A24–A31
e
0). In the 32-bit Seg-
mented and Linear modes this is a 32-bit address.
BUFFER ADDRESS
EL
D Indicates that the buffer associated with this RBD is last in the FBL.
P
D This bit indicates that the 82596 has already prefetched the RBDs and any change
in the RBD data will be ignored. This bit is valid only in the new 82596 memory
modes, and if this feature has been enabled during configure command. The
82596 Prefetches the RBDs in locked cycles; after prefetching the RBD the 82596
performs a write cycle where the P bit is set to one and the rest of the data remains
unchanged. The CPU is responsible for resetting it in all RBDs. The 82596 will not
check this bit before setting it.
SIZE
D This 14-bit quantity indicates the size, in bytes, of the associated buffer. This quan-
tity must be an even number.
59
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 82596CA | HIGH-PERFORMANCE 32-BIT LOCAL AREA NETWORK COPROCESSOR |
| 8261SHAKE22 | Alternate Action and Momentary Pushbutton Switches |
| 8261SHAKE223 | Alternate Action and Momentary Pushbutton Switches |
| 8261SHAPE22 | Alternate Action and Momentary Pushbutton Switches |
| 8261SHAPE223 | Alternate Action and Momentary Pushbutton Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 82598 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:10 GbE Controller |
| 825981-000 | 功能描述:環(huán)形MIL規(guī)格應(yīng)變消除裝置與適配器 TXR18AB00C2008AI RoHS:否 制造商:Amphenol Industrial 產(chǎn)品:Cable Clamps 類型:Bushing Cable Clamps MIL 類型:MIL-DTL-5015 系列:97 外殼大小:16S, 16 匹配樣式:Threaded 主體材料:Aluminum Alloy 主體類型:Straight |
| 82-5988-1000 | 功能描述:RF 連接器 N RIGHT ANGLE CRIMP PLUG RoHS:否 制造商:Bomar Interconnect 產(chǎn)品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點(diǎn)電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
| 82599_10 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:Transforming the data center through a reliable and unified 10GbE network |
| 82599-0010 | 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:OS32C-DK |
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