KSZ8462HL Datasheet, PDF (131/279 Pages) Micrel Semiconductor – IEEE 1588 Precision Time Protocol-Enabled Two-Port 10/100Mb/s Ethernet Switch with 8 or 16 Bit Host Interface

Micrel, Inc.
KSZ8462HL/KSZ8462FHL
TOS Priority Control Register 3 (0x01A – 0x01B): TOSR3
This register contains the TOS priority control bits for the switch function.
Bit
15−14
13−12
11−10
9−8
7−6
5−4
3−2
1−0
Default
00
00
00
00
00
00
00
00
R/W Description
DSCP[47:46]
RW _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x5c.
DSCP[45:44]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x58.
DSCP[43:42]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x54.
DSCP[41:40]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x50.
DSCP[39:38]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x4c.
DSCP[37:36]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x48.
DSCP[35:34]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x44.
DSCP[33:32]
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x40.
TOS Priority Control Register 4 (0x01C – 0x1D): TOSR4
This register contains the TOS priority control bits for the switch function.
Bit
15−14
Default
00
R/W Description
DSCP[63:62]
RW _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x7c.
DSCP[61:60]
13−12
00
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x78.
DSCP[59:58]
11−10
00
R/W _{The value in this field is used as the frame’s priority when bits[7:2] of the IP TOS/DiffServ/Traffic Class}
value are 0x74.
June 11, 2014
131
Revision 1.0