Datasheet
KSZ8795CLX
DS00002112B-page 76 2016-2017 Microchip Technology Inc.
Register 179 (0xB3): Port 1 Control 15
Register 195 (0xC3): Port 2 Control 15
Register 211 (0xD3): Port 3 Control 15
Register 227 (0xE3): Port 4 Control 15
Register 243 (0xF3): Port 5 Control 15
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 = Bits[6:0] reflect the packet number allow to
transmit from this priority queue 1 within a certain
time.
R/W 1
6 - 0 Port Trans-
mit 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 16
Register 196 (0xC4): Port 2 Control 16
Register 212 (0xD4): Port 3 Control 16
Register 228 (0xE4): Port 4 Control 16
Register 244 (0xF4): Port 5 Control 16
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 = Bits[6:0] reflect the packet number allow to
transmit from this priority queue 1 within a certain
time.
R/W 1
6 - 0 Port Trans-
mit Queue 1
Ratio[6:0]
Packet number for Transmit Queue 1 for low-/high-
priority packets in four queues mode and high-pri-
ority packets in two queues mode.
R/W 0000010
Register 181 (0xB5): Port 1 Control 17
Register 197 (0xC5): Port 2 Control 17
Register 213 (0xD5): Port 3 Control 17
Register 229 (0xE5): Port 4 Control 17
Register 245 (0xF5): Port 5 Control 17
7 Enable Port
Transmit
Queue 0
Rate
0 = Strict priority, will transmit all the packets from
this priority queue 0 before transmit lower priority
queue.
1 = Bits[6:0] reflect the packet number allow to
transmit from this priority queue 0 within a certain
time.
R/W 1
6 - 0 Port Trans-
mit Queue 0
Ratio[6:0]
Packet number for Transmit Queue 0 for lowest pri-
ority packets in four queues mode and low priority
packets in two queues mode.
R/W 0000001
Register 182 (0xB6): Port 1 Rate Limit Control
Register 198 (0xC6): Port 2 Rate Limit Control
Register 214 (0xD6): Port 3 Rate Limit Control
Register 230 (0xE6): Port 4 Rate Limit Control
Register 246 (0xF6): Port 5 Rate Limit Control
7 Reserved — RO 0
6 Ingress Limit
Port/Priority
Based Select
1 = Ingress rate limit is port based
0 = Ingress rate limit is priority based
R/W 0
TABLE 4-13: ADDITIONAL ADVANCED CONTROL REGISTERS (Note 4-1) (CONTINUED)
Address Name Description Mode Default