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參數(shù)資料
| 型號： | VT86C100A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PCI FAST ETHERNET CONTROLLER |
| 中文描述： | PCI快速以太網(wǎng)控制器 |
| 文件頁數(shù)： | 14/32頁 |
| 文件大?。?/td> | 349K |
| 代理商： | VT86C100A |
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VIA Technologies, Inc.
Preliminary VT86C100A
31
O
0 0 0 0
FLNG[10:0]
Reserve
23
15
RDES0
RDES1
RDES2
RDES3
RSR1
0000
RSR0
Reserve
Rx Data Buffer Start Address
Next Descriptor Address
C
RLNG[10:0]
F
IGURE
6-2
THE RECEIVE DESCRIPTOR FORMAT
:
6.1.2. R
ECEIVE
D
ESCRIPTOR
0 (RDES0)
RDES0 contain the received frame status, the frame length and the descriptor ownership information.
Owner
: This bit control by driver, 1 to identify this descriptor own by
VT86C100A controller, 0 means this descriptor be a free descriptor; Driver must
set this bit be zero when initialed.
Extend Frame Length
: Extend byte count for no-normal size Ethernet frame
Frame Length
: Received frame length,
Received OK :
The VT86C100A received a good packet from network.
Multicast Address Received :
VT86C100A MAC received multicast address
packet
Boardcast Address Received :
VT86C100A MAC received boardcast address
packet
Physical Address Received :
Physical address received
CHAIN :
means of chain buffer,
Start of Packet :
In descriptor ring structure, STP=EDP=1 single buffer
descriptor, or chained buffer structure be follows :
STP EDP Description
1 1 Single buffer descriptor
1 0 First buffer descriptor, further buffer chained
0 1 Chained buffer packet end
0 0 X
End of Packet :
End of Packet buffer
Receive Status Register 0 :
Buffer Error :
Receive Buffer Error
System bus error :
Runt Packet Received :
Long Packet Received :
FIFO Overflow :
Frame Align Error :
CRC Error :
received frame CRC checksum error
Receive Error :
this bit be set by CRC error or frame alignmnet error or FIFO
overflow or System bus error.
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相關(guān)代理商/技術(shù)參數(shù) |
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| VT86C926 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AMAZON PCI ETHERNET CONTROLLER |
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| VT8N2 | 制造商:PERKINELMER 制造商全稱:PerkinElmer Optoelectronics 功能描述:Photoconductive Cells and Analog Optoisolators (Vactrols) |
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| VT905GA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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