AR8327-AL1A-R datasheet(273/394 Pages) ETC2

273 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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273

Table 3-254.

ACL_9 Rate Control Register 1

3.7.104 ACL_RATE_CTRL0_10

Address 0x0A50

SFT&HW RST

Table 3-255, “ACL_10 Rate Control Register 0,” on page 273 summerizes the ACL_RATE_CTRL0_10

Table 3-255.

ACL_10 Rate Control Register 0

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

R/W

ACL_BORROW_EN_9

Borrow enable

R/W

ACL_RATE_UNIT_9

1: Packets/ 0: bytes

R/W

ACL_CF_9

Coupling flag for ingress rate limit

R/W

ACL_CM_9

Color mode for ingress rate limit

19:18

R/W

2'b01

ACL_RATE_TIME_SLOT_9

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_9

Excess burst size for ingress rate limit

14:0

R/W

0x7FFF

ACL_EIR_9

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

31:18

R/O

RESERVED

17:15

R/W

ACL_CBS_10

Commited burst size for ingress rate

limit

14:0

R/W

0x7FFF

ACL_CIR_10

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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