Datasheet

 2016 Microchip Technology Inc. DS00002246A-page 67
KSZ8895MQX/RQX/FQX/MLX
3 - 2 DSCP[3:2]
IPv4 and IPv6 mapping
The value in this field is used as the frame’s pri-
ority when bits [7:2] of the frame’s IP TOS/Diff-
Serv/Traffic Class value is 0x01
R/W 00
1 - 0 DSCP[1:0]
IPv4 and IPv6 mapping
The value in this field is used as the frame’s pri-
ority when bits [7:2] of the frame’s IP TOS/Diff-
Serv/Traffic Class value is 0x00
R/W 00
Register 145 (0x91): TOS Priority Control Register 1
7 - 6 DSCP[15:14] IPv4 and IPv6 mapping _ for value 0x07 R/W 00
5 - 4 DSCP[13:12] IPv4 and IPv6 mapping _ for value 0x06 R/W 00
3 - 2 DSCP[11:10] IPv4 and IPv6 mapping _ for value 0x05 R/W 00
1 - 0 DSCP[9:8] IPv4 and IPv6 mapping _ for value 0x04 R/W 00
Register 146 (0x92): TOS Priority Control Register 2
7 - 6 DSCP[23:22] IPv4 and IPv6 mapping _ for value 0x0B R/W 00
5 - 4 DSCP[21:20] IPv4 and IPv6 mapping _ for value 0x0A R/W 00
3 - 2 DSCP[19:18] IPv4 and IPv6 mapping _ for value 0x09 R/W 00
1 - 0 DSCP[17:16] IPv4 and IPv6 mapping _ for value 0x08 R/W 00
Register 147 (0x93): TOS Priority Control Register 3
7 - 6 DSCP[31:30] IPv4 and IPv6 mapping _ for value 0x0F R/W 00
5 - 4 DSCP[29:28] IPv4 and IPv6 mapping _ for value 0x0E R/W 00
3 - 2 DSCP[27:26] IPv4 and IPv6 mapping _ for value 0x0D R/W 00
1 - 0 DSCP[25:24] IPv4 and IPv6 mapping _ for value 0x0C R/W 00
Register 148 (0x94): TOS Priority Control Register 4
7 - 6 DSCP[39:38] IPv4 and IPv6 mapping _ for value 0x13 R/W 00
5 - 4 DSCP[37:36] IPv4 and IPv6 mapping _ for value 0x12 R/W 00
3 - 2 DSCP[35:34] IPv4 and IPv6 mapping _ for value 0x11 R/W 00
1 - 0 DSCP[33:32] IPv4 and IPv6 mapping _ for value 0x10 R/W 00
Register 149 (0x95): TOS Priority Control Register 5
7 - 6 DSCP[47:46] IPv4 and IPv6 mapping _ for value 0x17 R/W 00
5 - 4 DSCP[45:44] IPv4 and IPv6 mapping _ for value 0x16 R/W 00
3 - 2 DSCP[43:42] IPv4 and IPv6 mapping _ for value 0x15 R/W 00
1 - 0 DSCP[41:40] IPv4 and IPv6 mapping _ for value 0x14 R/W 00
Register 150 (0x96): TOS Priority Control Register 6
7 - 6 DSCP[55:54] IPv4 and IPv6 mapping _ for value 0x1B R/W 00
5 - 4 DSCP[53:52] IPv4 and IPv6 mapping _ for value 0x1A R/W 00
3 - 2 DSCP[51:50] IPv4 and IPv6 mapping _ for value 0x19 R/W 00
1 - 0 DSCP[49:48] IPv4 and IPv6 mapping _ for value 0x18 R/W 00
Register 151 (0x97): TOS Priority Control Register 7
7 - 6 DSCP[63:62] IPv4 and IPv6 mapping _ for value 0x1F R/W 00
5 - 4 DSCP[61:60] IPv4 and IPv6 mapping _ for value 0x1E R/W 00
3 - 2 DSCP[59:58] IPv4 and IPv6 mapping _ for value 0x1D R/W 00
1 - 0 DSCP[57:56] IPv4 and IPv6 mapping _ for value 0x1C R/W 00
Register 152 (0x98): TOS Priority Control Register 8
7 - 6 DSCP[71:70] IPv4 and IPv6 mapping _ for value 0x23 R/W 00
5 - 4 DSCP[69:68] IPv4 and IPv6 mapping _ for value 0x22 R/W 00
TABLE 4-4: ADVANCED CONTROL REGISTER DESCRIPTIONS (CONTINUED)
Address Name Description Mode Default