AR8327-AL1A-R datasheet(77/394 Pages) ETC2

77 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

Switch

•

77

3.2.26

PORT2_STATUS

Address 0x0084

SFT&HW RST

Table 3-29 summarizes the PORT2_STATUS Register.

R/W

DUPLEX_MODE_1

Duplex Mode.

1'b1: full-duplex mode;

1'b0: half-duplex mode.

R/W

RX_FLOW_EN_1

Rxmac Flow Control Enable.

R/W

TX_FLOW_EN_1

Txmac Flow Control Enable.

R/O

RXMAC_EN_1

Rxmac Enable.

R/W

TXMAC_EN_1

Txmac Enable.

1:0

R/W

SPEED_1

Speed mode.

2'b00: 10M

2'b01: 100M

2'b10: 1000M

2'b11: error speed mode

Table 3-28.

Port 1 Status Register

Bit

R/W

Inital

Value

Mnemonic

Description

Table 3-29.

Port 2 Status Register

Bit

R/W

Inital

Value

Mnemonic

Description

31:13

R/O

RESERVED

R/W

FLOW_LINK_EN_2

Phy link mode enable.

1'b1: enable mac flow control config auto-neg

with phy

1'b0: mac can be config by software

R/O

AUTO_RX_FLOW_EN_2

Transmit flow control enable after auto-neg.

R/O

AUTO_TX_FLOW_EN_2

Transmit flow control enable after auto-neg.

R/W

LINK_EN_2

Phy link mode enable.

1'b1: enable mac auto-neg with phy

1'b0: mac can be config by software

8R/O

LINK_2

Link status

1'b1: phy link up.

1'b0: phy link down.

R/W

TX_HALF_FLOW_EN_2

1'b1: transmit flow control enable in half-

duplex mode.

R/W

DUPLEX_MODE_4

Duplex Mode.

1'b1: full-duplex mode;

1'b0: half-duplex mode.

R/W

RX_FLOW_EN_2

Rxmac Flow Control Enable.

R/W

TX_FLOW_EN_2

Txmac Flow Control Enable.

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