AR8327-AL1A-R datasheet(262/394 Pages) ETC2

262 / 394 page

262 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

262 • June 2011

COMPANY CONFIDENTIAL

Table 3-238, “ACL_1 Rate Control Register 1,” on page 262 summerizes the ACL_RATE_CTRL1_1

Table 3-238.

ACL_1 Rate Control Register 1

3.7.88

ACL_RATE_CTRL0_2

Address 0x0A10

SFT&HW RST

Table 3-239, “ACL_2 Rate Control Register 0,” on page 263 summerizes the ACL_RATE_CTRL0_2

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_1

Borrow enable

R/W

ACL_RATE_UNIT_1

1: Packets/ 0: bytes

R/W

ACL_CF_1

Coupling flag for ingress rate limit

R/W

ACL_CM_1

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_1

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

17:15

R/W

ACL_EBS_1

Excess burst size for ingress rate limit

14:0

R/W

0x7FFF

ACL_EIR_1

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.

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