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參數(shù)資料
| 型號(hào)： | MX98727 |
| 英文描述： | SINGLE CHIP PCI/CARDBUS FAST ETHERNET CONTROLLER |
| 中文描述： | 單芯片的PCI / CARDBUS快速以太網(wǎng)控制器 |
| 文件頁數(shù)： | 34/71頁 |
| 文件大小： | 389K |
| 代理商： | MX98727 |
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34
P/N:PM0723
REV. 1.0, JUL. 13, 2000
MX98728EC
Bit
0
1
2
3
Symbol
CC0
CC1
CC2
CC3
Description
Collision Count Bit 0 :
Collision Count Bit 1 :
Collision Count Bit 2 :
Collision Count Bit 3 : When CC[3:0] = 1111 and the TEI interrupt bit is set, it is called an
excessive collision error which will abort the current packet. If the TI interrupt bit is set,
CC[3:0] is the collision count and the packet is transmitted successfully.
Carrier Sense Lost : The network carrier signal was lost at some point during the trans-
mission or lost during the entire duration of the transmission.
TX FIFO Underflow : The TX FIFO is exhausted before the TX DMA fills in more data for
the transmission.
Out of Window Collision : A collision occurred after 64 bytes of data had been transmit-
ted. This packet will be aborted.
Packet Buffer Ownership indicator:
1: indicates GMAC has access right to the current packet's buffer
0: indicates the host has access right to the current packet's buffer
4
CRSLOST
5
UF
6
OWC
7
OWN
Transmit descriptor format
There are 4 bytes in a descriptor structure for the transmit packet. The transmit descriptor is prepared by the device
driver before transmitting the packet and is defined as follows :
bit 7
Next Packet Page Pointer ( bit 7-4 )
Packet Length ( bit 3-0 )
Packet Length ( bit 11-8 )
Transmit Status ( bit 7-4 )
bit 0
Next Packet Page Pointer ( bit 3-0 )
Next Packet Page Pointer( bit 11-8 )
Packet Length ( bit 7-4 )
Transmit Status ( bit 3-0 )
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MX98742 | FEBC 100 Base Fast Ethernet Bridge Controller |
| MX98902A(PLCC) | LAN Node Controller |
| MX98902A(PQFP) | LAN Node Controller |
| MX98902A(SQFP) | LAN Node Controller |
| MX99011MC | Interface IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX98728 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:GMAC SINGLE CHIP 10/100 FAST ETHERNET CONTROLLER FOR GENERIC APPLICATION |
| MX98728AEC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
| MX98728EC | 制造商:MCNIX 制造商全稱:Macronix International 功能描述:GMAC SINGLE CHIP 10/100 FAST ETHERNET CONTROLLER FOR GENERIC APPLICATION |
| MX98741 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| MX98742 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FEBC 100 Base Fast Ethernet Bridge Controller |
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