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127 rx fifo padding and crc strip enable ($0x5b3), Rx fifo padding and crc strip enable ($0x5b3) – Intel IXF1104 User Manual

Page 200

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Intel

®

IXF1104 4-Port Gigabit Ethernet Media Access Controller

Datasheet

200

Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005

Table 127. RX FIFO Padding and CRC Strip Enable ($0x5B3)

Bit

Name

Description

Type

1

Default

Register Description: This control register enables to pre-pend every packet with two extra
bytes and also enables the CRC stripping of a packet.

0x00000000

31:8

Reserved

Reserved

RO

0x000000

7

CRC Stripping Enable
for Port 3

CRC stripping is enabled for Port 3.

0 = Disabled
1 = Enabled

R/W

0

6

CRC Stripping Enable
for Port 2

CRC stripping is enabled for Port 2.

0 = Disabled
1 = Enabled

R/W

0

5

CRC Stripping Enable
for Port 1

CRC stripping is enabled for Port 1.

0 = Disabled
1 = Enabled

R/W

0

4

CRC Stripping Enable
for Port 0

CRC stripping is enabled for Port 0.

0 = Pre-pending Disabled
1 = Pre-pending Enabled

R/W

0

3

Pre-pending Enable

2

Port 3

Enables pre-pending of two bytes at the start of
every packet – Port 3.

0 = Disabled
1 = Enabled

R/W

0

2

Pre-pending Enable

2

Port 2

Enables pre-pending of two bytes at the start of
every packet – Port 2.

0 = Disabled
1 = Enabled

R/W

0

1

Pre-pending Enable

2

Port 1

Enables pre-pending of two bytes at the start of
every packet – Port 1.

0 = Disabled
1 = Enabled

R/W

0

0

Pre-pending Enable

2

Port 0

Enables pre-pending of two bytes at the start of
every packet – Port 0.

0 = Disabled
1 = Enabled

R/W

0

1. RO = Read Only, No clear on Read; R = Read, Clear on Read; W = Write only; R/W = Read/Write, No

clear; R/W/C = Read/Write, Clear on Write

2. Pre-pending should not be enabled in loopback mode.