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IXF1104 4-Port Gigabit Ethernet Media Access Controller
Datasheet 169
Document Number: 278757
Revision Number: 007
Revision Date: March 25, 2004
19 RX Config
0 = Receiving idle/data stream
1 = Receiving /C/ ordered sets
RO 0
18 Config Changed
0 = RxConfigWord has changed since last read
1 = RxConfigWord has not changed since last
read.
This bit remains High until the register is read.
R0
17 Invalid Word
0 = Have not received an invalid symbol
1 = Have received an invalid symbol
This bit remains High until the register is read.
RO 0
16 Carrier Sense
0 = Device is not receiving idle characters; carrier
sense is true.
1 = Device is receiving idle characters; carrier
sense is false.
RO 0
15 Next Page Next Page request RO 0
14 Reserved Reserved RO 0
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 Reserved RO 000
8 Asym Pause Asym Pause. The ability to send pause frames. RO 0
7Sym Pause
Sym Pause. The ability to send and receive pause
frames.
RO 0
6 Half Duplex Half-duplex RO 0
5 Full Duplex Full-duplex RO 0
4:0 Reserved Reserved RO 0x0
Table 89. TX Config Word ($ Port_Index + 0x17) (Sheet 1 of 2)
Bit Name Description Type
1
Default
Register Description:
This register is used in fiber MAC for auto-negotiation only. The
contents of this register are sent as the config_word. The contents of this register are the
“config_reg” sent to the link partner, as described in IEEE 802.3 2000 Edition, subclause 37.2.1.
0x0001A0
31:16 Reserved Reserved RO 0x0000
15 Next Page Next Page request R/W 0
14 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
NOTE: A value of 0x0 must be written to all reserved bits of the “TX Config Word ($ Port_Index + 0x17)”
Register.
Table 88. RX Config Word ($ Port_Index + 0x16) (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