AR8327-AL1A-R datasheet(217/394 Pages) ETC2

217 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

Switch

•

217

3.7.38

PORT4_EG_RATE_CTRL5

Address 0x0910

SFT&HW RST

Table 3-189, “Port 4 Rate Limit Control Register 0,” on page 217 summariazes the

PORT4_EG_RATE_CTRL5 Register 0

Table 3-189.

Port 4 Rate Limit Control Register 0

R/W

EGRESS_MANAGE_RATE_EN_3

Enable management frame to be

calculate to egress rate limit .

R/W

EGRESS_RATE_EN_3

Enable port-based rate limit. Rate is set

at EG_PRIO_CIR

Enable Max burst size also. Max burst

size is set at EG_PRIO_CBS

2:0

R/W

3'h2

EG_TIME_SLOT_3

Egress rate limit time slot control

3'h0: 1/128 ms

3'h1: 1/64 ms

3'h2: 1/32 ms

3'h3: 1/16 ms

3'h4: 1/4 ms

3'h5: 1 ms

3'h6: 10 ms

3'h7: 100 ms

Bit

R/W

Inital

Value

Mnemonic

Description

Bit

R/W

Inital

Value

Mnemonic

Description

R/O

RESERVED

30:16

R/W

0x7FFF

EG_PRI1_CIR_4

Egress Rate Limit for priority 3.

Rate is limited to times of 32kbps.

Default 15'h7FFF is for disable rate

limit for egress priority 1. if these bits

are set to 15'h0, no priority 1 frame

should be send out from this port.

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