AR8327-AL1A-R datasheet(266/394 Pages) ETC2

266 / 394 page

266 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

266 • June 2011

COMPANY CONFIDENTIAL

Table 3-243.

ACL_4 Rate Control Register 0

3.7.93

ACL_RATE_CTRL1_4

Address 0x0A24

SFT&HW RST

Table 3-244, “ACL_4 Rate Control Register,” on page 266 ACL_4 rate control Register 1

Table 3-244.

ACL_4 Rate Control Register

Bit

R/W

Inital

Value

Mnemonic

Description

31:18

R/O

RESERVED

17:15

R/W

ACL_CBS_4

Commited burst size for ingress rate

limit

14:0

R/W

0x7FFF

ACL_CIR_4

Ingress Rate Limit for all priority.

Rate is limited to times of 32kbps.

Default 15'h7FFF is for disable rate

limit for ingress. if these bits are set to

15'h0, no frame should be received in

from this port.

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_4

Borrow enable

R/W

ACL_RATE_UNIT_4

1: Packets/ 0: bytes

R/W

ACL_CF_4

Coupling flag for ingress rate limit

R/W

ACL_CM_4

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_4

ACL Ingress rate limit control timer

slot.

2'b00: 100us;

2'b01: 1ms

2'b10: 10ms

2'b11: 100ms

Notes: if port rate limit set to less than

96kbps, don't select 100us as time slot

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