AR8327-AL1A-R datasheet(276/394 Pages) ETC2

276 / 394 page

276 • AR8327/AR8327N Seven-port Gigabit Ethernet Switch

Atheros Communications, Inc.

276 • June 2011

COMPANY CONFIDENTIAL

3.7.108 ACL_RATE_CTRL0_12

Address 0x0A60

SFT&HW RST

Table 3-259, “ACL_12 Rate Control Register 0,” on page 276 summerizes the ACL_RATE_CTRL0_12

Table 3-259.

ACL_12 Rate Control Register 0

3.7.109 ACL_RATE_CTRL1_12

Address 0x0A64

SFT&HW RST

Table 3-260, “ACL_12 Rate Control Register 1,” on page 276 summerizes the

ACL_RATE_CTRL1_12Register 1

Table 3-260.

ACL_12 Rate Control Register 1

Bit

R/W

Inital

Value

Mnemonic

Description

31:18

R/O

RESERVED

17:15

R/W

ACL_CBS_12

Commited burst size for ingress rate

limit

14:0

R/W

0x7FFF

ACL_CIR_12

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_12

Borrow enable

R/W

ACL_RATE_UNIT_12

1: Packets/ 0: bytes

R/W

ACL_CF_12

Coupling flag for ingress rate limit

R/W

ACL_CM_12

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_12

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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