RTL8211C & RTL8211CL
Datasheet
Bit
Name
RW
Default Description
1.9
100Base-T2 (half)
RO
0
100Base-T2 Half Duplex Capability.
The RTL8211C(L) does not support 100Base-T2 mode. This bit
should always be 0.
1.8
1000Base-T Extended
status
RO
1
1000Base-T Extended Status Register.
1: Device supports Extended Status Register 0x0F (15)
0: Device does not support Extended Status Register 0x0F
This register is read-only and is always set to 1.
Reserved.
1.7
1.6
RSVD
RO
RO
0
1
Preamble Suppression
Preamble Suppression Capability (Permanently On).
The RTL8211C(L) always accepts transactions with preamble
suppressed.
1.5
1.4
Auto-Negotiation
Complete
RO
0
0
Auto-Negotiation Complete.
1: Auto-Negotiation process complete, and contents of registers
5, 6, 8, and 10 are valid
0: Auto-Negotiation process not complete
Remote Fault.
Remote Fault
RC*
1: Remote fault condition detected (cleared on read or by reset).
Indication or notification of remote fault from Link Partner
0: No remote fault condition detected
Auto Configured Link.
1.3
1.2
Auto-Negotiation
Ability
RO
RO
1
0
1: Device is able to perform Auto-Negotiation
0: Device is not able to perform Auto-Negotiation
Link Status.
Link Status
1: Linked
0: Not Linked
This register indicates whether the link was lost since the last read.
For the current link status, either read this register twice or read
register bit 17.10 Link Real Time.
1.1
1.0
Jabber Detect
RC
RO
0
1
Jabber Detect.
1: Jabber condition detected
0: No Jabber occurred
Extended Capability
1: Extended register capabilities, always 1
Note: RC: Read-cleared after read.
7.2.3. PHYID1 (PHY Identifier Register 1, Address 0x02)
Table 23. PHYID1 (PHY Identifier Register 1, Address 0x02)
Bit
Name
RW
Default
Description
2.15:0 OUI_MSB
RO
0000000000011100
Organizationally Unique Identifier Bit 3:18.
Always 0000000000011100.
Note: Realtek OUI is 0x000732.
Integrated 10/100/1000 Gigabit Ethernet Transceiver
25
Track ID: JATR-1076-21 Rev. 1.3
ETC [ ETC ]
