Intel
®
IXF1104 4-Port Gigabit Ethernet Media Access Controller
171
Datasheet
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
13:12
2
Remote Fault [1:0]
Remote fault definitions:
00 = No error, link okay
01 = Offline
10 = Link failure
11 = Auto-negotiation_Error
R/W
00
11:9
Reserved
Write as 0, ignore on Read
R/W
000
8
Asym Pause
Asym Pause. The ability to send pause frames.
R/W
1
7
Sym Pause
Sym Pause. The ability to send and receive pause
frames.
R/W
1
6
Half Duplex
Half-duplex
R/W
0
5
Full Duplex
Full-duplex
R/W
1
4:0
Reserved
Write as 0, ignore on read
R/W
0x00
Table 90. Diverse Config Write ($ Port 0x18) (Sheet 1 of 2)
Bit
Name
Description
Type
1
Default
Register Description:
This register contains various configuration bits for general use.
0x00110D
31:19
Reserved
Reserved
RO
0x0000
18:13
Reserved
Write as 0, ignore on Read.
R/W
0x0000
12
Reserved
2
Write as 1, ignore on Read.
R/W
1
11-9
Reserved
2
Write as 0, ignore on Read.
R/W
0x0
8
Reserved
2
Write as 1, ignore on Read.
R/W
1
7
pad_enable
0 = Normal operation
1 = Enable padding of undersized packets
NOTE:
Assertion of this bit results in the
automatic addition of a CRC to the
padded packet.
R/W
0
6
crc_add
0 = Normal operation
1 = Enable automatic CRC appending
R/W
0
5
AN_enable
Enable auto-negotiation (used for fiber mode only)
to be performed by the hardware state machines
in the MAC.
The hardware auto-negotiation (AN) state
machine controls the config words transmitted
when this bit is set.
NOTE:
In copper mode, this bit must be set to 0
(reserved).
R/W
0
4
2
Reserved
Write as 0, ignore on Read.
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. Reserved bits must be written to the default value for proper operation.
Table 89. TX Config Word ($ Port 0x17) (Sheet 2 of 2)
Bit
Name
Description
Type
1
Default
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
NOTE:
A value of 0x0 must be written to all reserved bits of the
“TX Config Word ($ Port 0x17)”
Register.