Specifications

Micrel, Inc.
KSZ8895MQ/RQ/FMQ
Advanced Control Registers (Continued)
Address Name Description Mode Default
Register 178 (0xB2): Port 1 Control 10
Register 194 (0xC2): Port 2 Control 10
Register 210 (0xD2): Port 3 Control 10
Register 226 (0xE2): Port 4 Control 10
Register 242 (0xF2): Port 5 Control 10
7
Enable Port Transmit Queue 3
Ratio
0, strict priority, will transmit all the packets from
this priority queue 3 before transmit lower priority
queue.
1, bit[6:0] reflect the packet number allow to
transmit from this priority queue 3 within a certain
time.
R/W 1
6−0
Port Transmit Queue 3
Ratio[6:0]
Packet number for Transmit Queue 3 for highest
priority packets in four queues mode.
R/W 0001000
Register 179 (0xB3): Port 1 Control 11
Register 195 (0xC3): Port 2 Control 11
Register 211 (0xD3): Port 3 Control 11
Register 227 (0xE3): Port 4 Control 11
Register 243 (0xF3): Port 5 Control 11
7
Enable Port Transmit Queue 2
Ratio
0, strict priority, will transmit all the packets from
this priority queue 2 before transmit lower priority
queue.
1, bit[6:0] reflect the packet number allow to
transmit from this priority queue 1 within a certain
time.
R/W 1
6−0
Port Transmit Queue 2
Ratio[6:0]
Packet number for Transmit Queue 2 for high/low
priority packets in high/low priority packets in four
queues mode.
R/W 0000100
Register 180 (0xB4): Port 1 Control 12
Register 196 (0xC4): Port 2 Control 12
Register 212 (0xD4): Port 3 Control 12
Register 228 (0xE4): Port 4 Control 12
Register 244 (0xF4): Port 5 Control 12
7
Enable Port Transmit Queue 1
Rate
0, strict priority, will transmit all the packets from
this priority queue 1 before transmit lower priority
queue.
1, bit[6:0] reflect the packet number allow to
transmit from this priority queue 1 within a certain
time.
R/W 1
6−0
Port Transmit Queue 1
Ratio[6:0]
Packet number for Transmit Queue 1 for low/high
priority packets in four queues mode and high
priority packets in two queues mode.
R/W 0000010
March 12, 2014
85
Revision 1.7