Specifications

Micrel, Inc.
KSZ8895MQ/RQ/FMQ
Advanced Control Registers (Continued)
Address Name Description Mode Default
Register 177 (0xB1): Port 1 Control 9
Register 193 (0xC1): Port 2 Control 9
Register 209 (0xD1): Port 3 Control 9
Register 225 (0xE1): Port 4 Control 9
Register 241 (0xF1): Port 5 Control 9
7−2
Reserved RO 0000000
1
4 Queue Split Enable
This bit in combination with Register16/32/48/64/80
bit 0 will select the split of ½/4 queues:
{Register177 bit 1, Register16 bit 0} =
11, reserved.
10, the port output queue is split into four priority
queues or if map 802.1p to priority 0-3 mode.
01, the port output queue is split into two priority
queues or if map 802.1p to priority 0-3 mode.
00, single output queue on the port. There is no
priority differentiation even though packets are
classified into high and low priority.
R/W 0
0
Enable Dropping Tag
0 = Normal
1 = enable the drop received tagged packets
R/W 0
March 12, 2014
84
Revision 1.7