RTL8100C & RTL8100CL
Datasheet
Bit
10-6
5
Name
-
Description/Usage
Reserved.
Default/Attribute
-
Auto Negotiation 1: Auto-negotiation process completed
0, RO
Complete
0: Auto-negotiation process not completed
1: Remote fault condition detected (cleared on read)
0: No remote fault condition detected.
4
3
2
1
0
Remote Fault
0, RO
1, RD
0, RO
0, RO
1, RO
Auto Negotiation 1: Link has not experienced fail state
0: Link experienced fail state
Link Status
1: Valid link established
0: No valid link established
1: Jabber condition detected
0: No jabber condition detected
1: Extended register capability
0: Basic register capability only
Jabber Detect
Extended
Capability
5.28. Auto-Negotiation Advertisement Register
(Offset 0066h-0067h, R/W)
This register contains the advertised abilities of this device, as are transmitted to its link partner during
auto-negotiation.
Table 28. Auto-Negotiation Advertisement Register
Bit
Name
Description/Usage
Default/Attribute
15
NP
Next Page bit.
0, RO
1: Transmitting the protocol specific data page
0: Transmitting the primary capabilities data page
1: Acknowledge reception of link partner capability data word
Remote Fault.
14
13
ACK
RF
0, RO
0, RW
1: Advertise remote fault detection capability
0: Do not advertise remote fault detection capability
Reserved.
1: Flow control supported by local node
0: Flow control not supported by local mode
12-11
10
-
-
Pause
The default value
comes from
EEPROM, RO
0, RO
9
8
T4
TXFD
TX
1: 100Base-T4 supported by local node
0: 100Base-T4 not supported by local node
1: 100Base-TX full-duplex supported by local node
0: 100Base-TX full-duplex not supported by local node
1: 100Base-TX supported by local node
1, RW
1, RW
7
0: 100Base-TX not supported by local node
1: 10Base-T full-duplex supported by local node
0: 10Base-T full-duplex not supported by local node
1: 10Base-T supported by local node
6
10FD
10
1, RW
5
1, RW
0: 10Base-T not supported by local node
4-0
Selector
Binary encoded selector supported by this node. Currently only
CSMA/CD <00001> is specified. No other protocols are
supported.
<00001>, RW
Single-Chip Fast Ethernet Controller
30
Track ID: JATR-1076-21 Rev. 1.06
ETC [ ETC ]
