參數(shù)資料
型號: KSZ8993MLI
廠商: Micrel Inc
文件頁數(shù): 61/86頁
文件大小: 0K
描述: IC SWITCH 10/100 3PORT 128-PQFP
標準包裝: 66
系列: *
產品目錄頁面: 1081 (CN2011-ZH PDF)
其它名稱: 576-3350
Micrel, Inc.
KSZ8993M/ML
October 2008
64
M9999-020606
Advanced Control Registers
The IPv4 TOS priority control registers implement a fully decoded 64 bit differentiated services code point (DSCP)
register used to determine priority from the 6 bit TOS field in the IP header. The most significant 6 bits of the TOS
field are fully decoded into 64 possibilities, and the singular code that results is compared against the
corresponding bit in the DSCP register. f the register bit is a 1, the priority is high; if it is a 0, the priority is low.
Register 96 (0x60): TOS Priority Control Register 0
Bit
Name
R/W
Description
Default
7-0
DSCP[63:56]
R/W
0000_0000
Register 97 (0x61): TOS Priority Control Register 1
Bit
Name
R/W
Description
Default
7-0
DSCP[55:48]
R/W
0000_0000
Register 98 (0x62): TOS Priority Control Register 2
Bit
Name
R/W
Description
Default
7-0
DSCP[47:40]
R/W
0000_0000
Register 99 (0x63): TOS Priority Control Register 3
Bit
Name
R/W
Description
Default
7-0
DSCP[39:32]
R/W
0000_0000
Register 100 (0x64): TOS Priority Control Register 4
Bit
Name
R/W
Description
Default
7-0
DSCP[31:24]
R/W
0000_0000
Register 101 (0x65): TOS Priority Control Register 5
Bit
Name
R/W
Description
Default
7-0
DSCP[23:16]
R/W
0000_0000
Register 102 (0x66): TOS Priority Control Register 6
Bit
Name
R/W
Description
Default
7-0
DSCP[15:8]
R/W
0000_0000
Register 103 (0x67): TOS Priority Control Register 7
Bit
Name
R/W
Description
Default
7-0
DSCP[7:0]
R/W
0000_0000
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