AR8327-AL1A-R datasheet(202/394 Pages) ETC2

202 / 394 page

202 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

202 • June 2011

COMPANY CONFIDENTIAL

3.7.20

PORT1_EG_RATE_CTRL0

Address 0x08B0

SFT&HW RST

Table 3-171, “Port 1 Rate Limit Control Register 0,” on page 202 summarizes the

PORT1_EG_RATE_CTRL0 Register 0

Table 3-171.

Port 1 Rate Limit Control Register 0

R/W

EGRESS_RATE_EN_0

Enable port base rate limit. Rate should

be set at EG_PRIO_CIR

Enable port-based max burst size also.

Max burst size is set at EG_PRIO_CBS

2:0

R/W

3’h2

EG_TIME_SLOT_0

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_1

Egress Rate Limit for priority 1.

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.

R/O

RESERVED

14:0

R/W

0x7FFF

EG_PRI0_CIR_1

Egress Rate Limit for priority 0.

Rate is limited to times of 32kbps.

Default 15'h7FFF is for disable rate

limit for egress priority 0. if these bits

are set to 15'h0, no priority 0 frame

should be send out from this port.

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