參數(shù)資料
型號(hào)： LAN91C95
英文描述： LAN Node Controller
中文描述： 網(wǎng)絡(luò)節(jié)點(diǎn)控制器
文件頁(yè)數(shù)： 32/55頁(yè)
文件大小： 482K
代理商： LAN91C95
FEAST Fast Ethernet Controller
for PCMCIA and Generic 16-Bit Applications
SMSC DS – LAN91C110 REV. B
Page 32
Rev. 09/05/02
BANK3
OFFSET
0 THROUGH 7
NAME
TYPE
SYMBOL
MT
MULTICAST TABLE
READ/WRITE
LOW
BYTE
MULTICAST TABLE 0
0
0
0
0
0
0
0
0
HIGH
BYTE
MULTICAST TABLE 1
0
0
0
0
0
0
0
0
LOW
BYTE
MULTICAST TABLE 2
0
0
0
0
0
0
0
0
HIGH
BYTE
MULTICAST TABLE 3
0
0
0
0
0
0
0
0
LOW
BYTE
MULTICAST TABLE 4
0
0
0
0
0
0
0
0
HIGH
BYTE
MULTICAST TABLE 5
0
0
0
0
0
0
0
0
LOW
BYTE
MULTICAST TABLE 6
0
0
0
0
0
0
0
0
HIGH
BYTE
MULTICAST TABLE 7
0
0
0
0
0
0
0
0
The 64 bit multicast table is used for group address filtering. The hash value is defined as the six most significant bits of
the CRC of the destination addresses. The three msb's determine the register to be used (MT0-MT7), while the other
three determine the bit within the register.
If the appropriate bit in the table is set, the packet is received.
If the ALMUL bit in the RCR register is set, all multicast addresses are received regardless of the multicast table values.
Hashing is only a partial group addressing filtering scheme, but being the hash value available as part of the receive
status word, the receive routine can reduce the search time significantly. With the proper memory structure, the search is
limited to comparing only the multicast addresses that have the actual hash value in question.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LAN91C95TQFP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:SMSC 功能描述:
LAN91C95TQFP WAF 制造商:SMSC 功能描述:
LAN91C96 制造商:SMSC 功能描述:
LAN91C96(100QFP) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Node Controller
LAN91C96(100TQFP) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Node Controller
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