AR8327-AL1A-R datasheet(291/394 Pages) ETC2

291 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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291

3.7.132 ACL_RATE_CTRL0_24

Address 0x0AC0

SFT&HW RST

Table 3-283, “ACL_24 Rate Limit Control Register 0,” on page 291 summerizes the

ACL_RATE_CTRL0_24 Register 0

Table 3-283.

ACL_24 Rate Limit Control Register 0

3.7.133 ACL_RATE_CTRL1_24

Address 0x0AC4

SFT&HW RST

Table 3-284, “ACL_24 Rate Limit Control Register 1,” on page 291 summerizes the

ACL_RATE_CTRL1_24 Register 1

Table 3-284.

ACL_24 Rate Limit Control Register 1

Bit

R/W

Inital

Value

Mnemonic

Description

31:18

R/O

RESERVED

17:15

R/W

ACL_CBS_24

Commited burst size for ingress rate

limit

14:0

R/W

0x7FFF

ACL_CIR_24

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_24

Borrow enable

R/W

ACL_RATE_UNIT_24

1: Packets/ 0: bytes

R/W

ACL_CF_24

Coupling flag for ingress rate limit

R/W

ACL_CM_24

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_24

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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