KSZ8842-PMBL AM TR Micrel Inc, KSZ8842-PMBL AM TR Datasheet - Page 63
KSZ8842-PMBL AM TR
Manufacturer Part Number
KSZ8842-PMBL AM TR
Description
2-Port Ethernet Switch/Repeater + 32-bit/33MHz PCI Bus Interface( )
Manufacturer
Micrel Inc
Datasheet
1.KSZ8842-PMBL_AM_TR.pdf
(119 pages)
Specifications of KSZ8842-PMBL AM TR
Number Of Primary Switch Ports
2
Internal Memory Buffer Size
32
Operating Supply Voltage (typ)
3.3V
Fiber Support
Yes
Integrated Led Drivers
Yes
Phy/transceiver Interface
MII
Power Supply Type
Analog/Digital
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.5V
Operating Supply Voltage (min)
3.1V
Operating Temperature Classification
Industrial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Supplier Unconfirmed
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Micrel, Inc.
TOS Priority Control Register 8 (Offset 0x492): TOSR8
This register contains the TOS priority control for the switch function.
Reserved (Offset 0x0494 - 0x049A)
This register is reserved.
October 2007
15 – 0
15:14
13:12
11:10
Bit
3:2
1:0
Bit
9:8
7:6
5:4
3:2
1:0
Bit
Default
Default
Default
0x0000
0
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RO
Description
DSCP[99:98]
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 0xc4.
DSCP[97:96]
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 0xc0.
Description
DSCP[127:126]
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 0xfC.
DSCP[125:124]
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 0xf8.
DSCP[123:122]
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 0xf4.
DSCP[121:120]
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 0xf0.
DSCP[119:118]
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 0xeC.
DSCP[117:116]
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 0xe8.
DSCP[115:114]
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 0xe4.
DSCP[113:112]
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 0xe0.
Description
Reserved
63
KSZ8842-PMQL/PMBL
M9999-100207-1.5
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