Specifications

Micrel, Inc.
KSZ8895MQ/RQ/FMQ
Advanced Control Registers (Continued)
Address Name Description Mode Default
Register 190 (0xBE) : Port 1 Queue 3 Egress Limit Control 4
Register 206 (0xCE) : Port 2 Queue 3 Egress Limit Control 4
Register 222 (0xDE) : Port 3 Queue 3 Egress Limit Control 4
Register 238 (0xEE): Port 4 Queue 3 Egress Limit Control 4
Register 254 (0xFE): Port 5 Queue 3 Egress Limit Control 4
7 Reserved RO 0
6−0
Port Queue 3 Egress Limit
Egress data rate limit for priority 3 frames
Egress traffic from this priority queue is shaped
according to the Data Rate Selected Table. See the
table follow the end of Egress limit control registers.
In four queues mode, it is highest priority.
R/W 0000000
Notes:
1. In the port priority 0−3 ingress rate limit mode, will need to set all related ingress/egress ports to two queues or four queues mode.
2. In the port queue 0−3 egress rate limit mode, the highest priority get exact rate limit based on the rate select table, other priorities packets
rate are based upon the ratio of the port register control 10/11/12/13 when use more than one egress queue per port.
March 12, 2014
89
Revision 1.7