参数资料
型号: ZL50408GDC
厂商: CONEXANT SYSTEMS
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA208
封装: 17 X 17 MM, 1.40 MM HEIGHT, MO-192, LBGA-208
文件页数: 129/144页
文件大小: 1779K
代理商: ZL50408GDC
ZL50408
Data Sheet
85
Zarlink Semiconductor Inc.
12.3.3.2
TRUNKn_HASH10 – Trunk group n hash result 1/0 destination port number
CPU Address: h0208+4n (n = trunk group)
Accessed by CPU (R/W)
12.3.3.3
TRUNKn_HASH32 – Trunk group n hash result 3/2 destination port number
CPU Address: h0209+4n (n = trunk group)
Accessed by CPU (R/W)
12.3.3.4
TRUNKn_HASH54 – Trunk group n hash result 5/4 destination port number
CPU Address: h020A+4n (n = trunk group)
Accessed by CPU (R/W)
12.3.3.5
TRUNKn_HASH76 – Trunk group n hash result 7/6 destination port number
CPU Address: h020B+4n (n = trunk group)
Accessed by CPU (R/W)
Multicast Hash Registers
Multicast Hash registers are used to distribute multicast traffic. 16 registers are used to form a 8-entry array; each
entry has 10 bits, with each bit representing one port. Any port not belonging to a trunk group should be
programmed with 1. Ports belonging to the same trunk group should only have a single port set to “1” per entry. The
port set to “1” is picked to transmit the multicast frame when the hash value is met.
Bits [3:0]
Hash result 0 destination port number (Default 0)
Bits [7:4]
Hash result 1 destination port number (Default 0)
Bits [3:0]
Hash result 2 destination port number (Default 0)
Bits [7:4]
Hash result 3 destination port number (Default 0)
Bits [3:0]
Hash result 4 destination port number (Default 0)
Bits [7:4]
Hash result 5 destination port number (Default 0)
Bits [3:0]
Hash result 6 destination port number (Default 0)
Bits [7:4]
Hash result 7 destination port number (Default 0)
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