AR8327-AL1A-R datasheet(274/394 Pages) ETC2

274 / 394 page

274 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

274 • June 2011

COMPANY CONFIDENTIAL

3.7.105 ACL_RATE_CTRL0_10

Address 0x0A54

SFT&HW RST

Table 3-256, “ACL_10 Rate Control Register 1,” on page 274 summerizes the ACL_RATE_CTRL0_10

Table 3-256.

ACL_10 Rate Control Register 1

3.7.106 ACL_RATE_CTRL0_11

Address 0x0A58

SFT&HW RST

Table 3-257, “ACL_11 Rate Control Register 0,” on page 275 summerizes the ACL_RATE_CTRL0_11

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_10

Borrow enable

R/W

ACL_RATE_UNIT_10

1: Packets/ 0: bytes

R/W

ACL_CF_10

Coupling flag for ingress rate limit

R/W

ACL_CM_10

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_10

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_10

Excess burst size for ingress rate limit

14:0

R/W

0x7FFF

ACL_EIR_10

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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