参数资料
型号: ZL50418/GKC
厂商: ZARLINK SEMICONDUCTOR INC
元件分类: 网络接口
英文描述: DATACOM, LAN SWITCHING CIRCUIT, PBGA553
封装: 37.50 X 37.50 MM, 2.33 MM HEIGHT, MS-034, HSBGA-553
文件页数: 14/155页
文件大小: 1928K
代理商: ZL50418/GKC
ZL50418
Data Sheet
110
Zarlink Semiconductor Inc.
Map VLAN priority into frame discard when low priority buffer usage is above threshold
12.3.6.11
TOSDML – TOS Discard Map
I2C Address h0B4, CPU Address:h50A
Accessed by CPU, serial interface and I2C (R/W)
Map TOS into frame discard when low priority buffer usage is above threshold
12.3.6.12
BMRC - Broadcast/Multicast Rate Control
I2C Address h0B5, CPU Address:h50B)
Accessed by CPU, serial interface and I2C (R/W)
7
6
5
4
321
0
FDV7
FDV6
FDV5
FDV4
FDV3
FDV2
FDV1
FDV0
Bit [0]:
Frame drop priority when VLAN Tag priority field is 0 (Default 0)
Bit [1]:
Frame drop priority when VLAN Tag priority field is 1 (Default 0)
Bit [2]:
Frame drop priority when VLAN Tag priority field is 2 (Default 0)
Bit [3]:
Frame drop priority when VLAN Tag priority field is 3 (Default 0)
Bit [4]:
Frame drop priority when VLAN Tag priority field is 4 (Default 0)
Bit [5]:
Frame drop priority when VLAN Tag priority field is 5 (Default 0)
Bit [6]:
Frame drop priority when VLAN Tag priority field is 6 (Default 0)
Bit [7]:
Frame drop priority when VLAN Tag priority field is 7 (Default 0)
7
6
543
2
1
0
FDT7
FDT6
FDT5
FDT4
FDT3
FDT2
FDT1
FDT0
Bit [0]:
Frame drop priority when TOS field is 0 (Default 0)
Bit [1]:
Frame drop priority when TOS field is 1 (Default 0)
Bit [2]:
Frame drop priority when TOS field is 2 (Default 0)
Bit [3]:
Frame drop priority when TOS field is 3 (Default 0)
Bit [4]:
Frame drop priority when TOS field is 4 (Default 0)
Bit [5]:
Frame drop priority when TOS field is 5 (Default 0)
Bit [6]:
Frame drop priority when TOS field is 6 (Default 0)
Bit [7]:
Frame drop priority when TOS field is 7 (Default 0)
74
3
0
Broadcast Rate
Multicast Rate
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