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參數(shù)資料
| 型號： | 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)： | 41/71頁 |
| 文件大?。?/td> | 389K |
| 代理商： | MX98727 |
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41
P/N:PM0723
REV. 1.0, JUL. 13, 2000
MX98728EC
4.4 Network Address Filtering
The first bit of the destination address signifies whether it is a physical address or a multicast address. The receive
MAC filters the frame based on the address filtering option described below. Register 01h ( NCRB ) bit 0 is PR (
Promiscuous mode ) and bit 2 is PM ( Pass Multicast ). They are used to control the desired address filtering options.
Possible Address Filtering Options ( all independent of each other )
Option
1
2
3
4
5
Description
One physical address perfect filtering , always enabled.
Unlimited multicast addresses imperfect filtering using the hash table.
Pass all multicast addresses.
Promiscuous Ethernet reception. When set, all valid frames are received.
Length field redefined as to be match against all broadcast packets. If matched, this broadcast packet
is received.
If the frame address passes the network address filter, the receive MAC removes the preamble and delivers the
frame to the host processor memory. However, if the address does not pass the filter when mismatch is recognized,
the receive MAC terminates this reception.
GMAC Network Address Filtering
(NOTE1) Broadcast packet is not filtered by hash table array.
(NOTE1)
Address
Match
Logic
Selected Bit
"0"=reject,"1"=accept
NCRB.AB
NCRB.PB
NCRB.PM
NCRB.PR
RX address match
ID Compare
incoming
MAC ID
Index
32 Bit CRC
31
26
0
Destination Address
47
0
0
1
PAR0-PAR5
MAC ID
Hash Table Array
MAR0-MAR7
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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