AR8327-AL1A-R datasheet(289/394 Pages) ETC2

289 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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289

3.7.129 ACL_RATE_CTRL1_22

Address 0x0AB4

SFT&HW RST

Table 3-280, “ACL_22 Rate Limit Control Register 1,” on page 289 summerizes the

ACL_RATE_CTRL1_22 Register 1

Table 3-280.

ACL_22 Rate Limit Control Register 1

3.7.130 ACL_RATE_CTRL0_23

Address 0x0AB8

SFT&HW RST

Table 3-281, “ACL_23 Rate Limit Control Register 0,” on page 290 summerizes the

ACL_RATE_CTRL0_23 Register 0

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_22

Borrow enable

R/W

ACL_RATE_UNIT_22

1: Packets/ 0: bytes

R/W

ACL_CF_22

Coupling flag for ingress rate limit

R/W

ACL_CM_22

Color mode for ingress rate limit

19:18

R/W

2’b01

ACL_RATE_TIME_SLOT_22

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_22

Excess burst size for ingress rate limit

14:0

R/W

0X7FFF

ACL_EIR_22

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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