AR8327-AL1A-R datasheet(251/394 Pages) ETC2

251 / 394 page

Atheros Communications, Inc.

AR8327/AR8327N Seven-port Gigabit Ethernet

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251

Table 3-226.

Port 1 Flow Control Threshold Control Register

3.7.76

PORT2_FLOW_THD

Address 0x09B8

SFT&HW RST

Table 3-227, “Port 2 Flow Control Threshold Control Register,” on page 251 Port 2 Flow Control

Threshold Register

Table 3-227.

Port 2 Flow Control Threshold Control Register

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

23:16

R/W

'h3A

PORT_XON_THRES_1

Port base transmit on threshold. When

block memory used by one port less

than this value, mac would send out

pause off frame, and link partner will

start transmit frame out.

15:8

R/O

RESERVED

7:0

R/W

'h4A

PORT_XOFF_THRES_1

Port base transmit off threshold. When

block memory used by one port more

than this value, mac would send out

pause on frame, and link partner will

stop transmit frame out.

Bit

R/W

Inital

Value

Mnemonic

Description

31:24

R/O

RESERVED

23:16

R/W

'h3A

PORT_XON_THRES_2

Port base transmit on threshold. When

block memory used by one port less

than this value, mac would send out

pause off frame, and link partner will

start transmit frame out.

15:8

R/O

RESERVED

7:0

R/W

'h4B

PORT_XOFF_THRES_2

Port base transmit off threshold. When

block memory used by one port more

than this value, mac would send out

pause on frame, and link partner will

stop transmit frame out.

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