
Micrel, Inc.
KSZ8873MLLJ
September 2011
76
M9999-091911-1.8
Register 171 (0xAB): PM Usage Flow Control Select Mode 1
Bit
Name
R/W
Description
Default
7
Reserved
RO
Reserved
Do not change the default values.
0
6
Reserved
RO
Reserved
Do not change the default values.
1
5-0
Reserved
RO
Reserved
Do not change the default values.
0x18
Register 172 (0xAC): PM Usage Flow Control Select Mode 2
Bit
Name
R/W
Description
Default
7-6
Reserved
RO
Reserved
Do not change the default values.
0
5-0
Reserved
RO
Reserved
Do not change the default values.
0x10
Register 173 (0xAD): PM Usage Flow Control Select Mode 3
Bit
Name
R/W
Description
Default
7-6
Reserved
RO
Reserved
Do not change the default values.
00
5-0
Reserved
RO
Reserved
Do not change the default values.
0x08
Register 174 (0xAE): PM Usage Flow Control Select Mode 4
Bit
Name
R/W
Description
Default
7-4
Reserved
RO
Reserved
Do not change the default values.
0
3-0
Reserved
RO
Reserved
Do not change the default values.
0x05
Register 175 (0xAF): TXQ Split for Q3 in Port 1
Bit
Name
R/W
Description
Default
7
Priority Select
R/W
0 = enable straight priority with Reg 176/177/178 bits[7]=0
and Reg 5 bit[3]=0 for higher priority first
1= priority ratio is 8:4:2:1 for 4 queues and 2:1 for 2 queues
with Reg 176/177/178 bits[7]=1.
1
6:0
Reserved
RO
Reserved
Do not change the default values.
8