AR8327-AL1A-R datasheet(263/394 Pages) ETC2

263 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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Table 3-239.

ACL_2 Rate Control Register 0

3.7.89

ACL_RATE_CTRL1_2

Address 0x0A14

SFT&HW RST

Table 3-240, “ACL_2 Rate Control Register 1,” on page 263 summerizes the ACL_RATE_CTRL1_2

Table 3-240.

ACL_2 Rate Control Register 1

Bit

R/W

Inital

Value

Mnemonic

Description

31:18

R/O

RESERVED

17:15

R/W

ACL_CBS_2

Commited burst size for ingress rate

limit

14:0

R/W

0x7FFF

ACL_CIR_2

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_2

Borrow enable

R/W

ACL_RATE_UNIT_2

1: Packets/ 0: bytes

R/W

ACL_CF_2

Coupling flag for ingress rate limit

R/W

ACL_CM_2

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_2

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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