AR8327-AL1A-R datasheet(239/394 Pages) ETC2

tên linh kiện	AR8327-AL1A-R

Giải thích chi tiết về linh kiện	Seven-port Gigabit Ethernet Switch

PDF	394 Pages

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Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

Switch

•

239

3.7.63

PORT1_HOL_CTRL1

Address 0x097C

SFT&HW RST

Table 3-214, “Port 1 HOL Control Register 1,” on page 239 summerizes the PORT1_HOL_CTRL1

Table 3-214.

Port 1 HOL Control Register 1

7:4

R/W

0x8

EG_PRI1_QUEUE_NUM_1

See bit [3:0]. This is for priority queue

3:0

R/W

0x8

EG_PRI0_QUEUE_NUM_1

Most buffer can be used for priority 0

queue. Buffer number is times of 4.

4'h0: 0

4'h1: no more than 4

4'h2: no more than 8

……

4'hF: no more than 60

Bit

R/W

Inital

Value

Mnemonic

Description

Bit

R/W

Inital

Value

Mnemonic

Description

31:17

R/O

RESERVED

R/W

EG_MIRROR_EN_1

Egress port mirror. If this bit is set to

1'b1, all packets send out through this

port should be copied to mirror port.

15:8

R/O

RESERVED

R/W

0x1

EG_PORT_QUEUE_CTRL_EN_1

1'b1: enable use PORT_QUEUE_NUM

to control queue depth in this port.

R/W

0x1

EG_PRI_QUEUE_CTRL_EN_1

1'b1: enable use PRI*_QUEUE_NUM to

control queue depth in this port.

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