參數資料
型號: KSZ8842-PMBL AM TR
廠商: Micrel Inc
文件頁數: 77/119頁
文件大小: 0K
描述: IC ETHERNET SW 2PORT 100LFBGA
標準包裝: 1,000
控制器類型: 以太網開關控制器
接口: PCI
電源電壓: 3.1 V ~ 3.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LFBGA
供應商設備封裝: 100-LFBGA
包裝: 帶卷 (TR)
Micrel, Inc.
KSZ8842-PMQL/PMBL
October 2007
60
M9999-100207-1.5
Bit
Default
R/W
Description
5:4
0
RW
DSCP[21:20]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x28.
3:2
0
RW
DSCP[19:18]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x24.
1:0
0
RW
DSCP[17:16]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x20.
TOS Priority Control Register 3 (Offset 0x484): TOSR3
This register contains the TOS priority control for the switch function.
Bit
Default
R/W
Description
15:14
0
RW
DSCP[47:46]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x5C.
13:12
0
RW
DSCP[45:44]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x58.
11:10
0
RW
DSCP[43:42]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x54.
9:8
0
RW
DSCP[41:40]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x50.
7:6
0
RW
DSCP[39:38]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x4C.
5:4
0
RW
DSCP[37:36]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x48.
3:2
0
RW
DSCP[35:34]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x44.
1:0
0
RW
DSCP[33:32]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x40.
TOS Priority Control Register 4 (Offset 0x486): TOSR4
This register contains the TOS priority control for the switch function.
Bit
Default
R/W
Description
15:14
0
RW
DSCP[63:62]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x7C.
13:12
0
RW
DSCP[61:60]
The value in this field is used as the frame’s priority when bits [7:2] of it IP
TOS/DiffServ/Traffic Class value is 0x78.
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