AR8327-AL1A-R datasheet(284/394 Pages) ETC2

284 / 394 page

284 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

284 • June 2011

COMPANY CONFIDENTIAL

3.7.121 ACL_RATE_CTRL0_18

Address 0x0A94

SFT&HW RST

Table 3-272, “ACL_18 Rate Limit Control Register 1,” on page 284 summerizes the

ACL_RATE_CTRL0_18 Register 1

Table 3-272.

ACL_18 Rate Limit Control Register 1

3.7.122 ACL_RATE_CTRL0_19

Address 0x0A98

SFT&HW RST

Table 3-273, “ACL_19 Rate Limit Control Register 0,” on page 285 summerizes the

ACL_RATE_CTRL0_19 Register 0

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_18

Borrow enable

R/W

ACL_RATE_UNIT_18

1: Packets/ 0: bytes

R/W

ACL_CF_18

Coupling flag for ingress rate limit

R/W

ACL_CM_18

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_18

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_18

Excess burst size for ingress rate limit

14:0

R/W

0x7FFF

ACL_EIR_18

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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