RTL8201N
Datasheet
Address
Name
Description
Mode
Default
0:0
RMII Mode This bit sets the RMII mode.
1: RMII mode
RW
0
0: MII mode
7.2. Register 1 Basic Mode Status Register
Table 11. Register 1 Basic Mode Status Register
Address
Name
Description
Mode
Default
1:15
100Base-T4
1: Enable 100Base-T4 support
0: Suppress 100Base-T4 support
RO
0
1:14
1:13
1:12
1:11
100Base_TX_ FD 1: Enable 100Base-TX full duplex support
0: Suppress 100Base-TX full duplex support
RO
RO
RO
RO
1
1
1
1
100BASE_TX_HD 1: Enable 100Base-TX half duplex support
0: Suppress 100Base-TX half duplex support
10Base_T_FD
1: Enable 10Base-T full duplex support
0: Suppress 10Base-T full duplex support
1: Enable 10Base-T half duplex support
0: Suppress 10Base-T half duplex support
-
10_Base_T_HD
1:10~7
1:6
Reserved
MF Preamble
Suppression
-
-
The RTL8201N will accept management frames with preamble
suppressed.
RO
1
A minimum of 32 preamble bits are required for the first SMI
read/write transaction after reset. One idle bit is required
between any two management transactions as per IEEE 802.3u
specifications.
1:5
1:4
Auto Negotiation 1: Auto-negotiation process completed
RO
RO
0
0
Complete
0: Auto-negotiation process not completed
Remote Fault
1: Remote fault condition detected (cleared on read)
0: No remote fault condition detected
When in 100Base-FX mode, this bit means an in-band signal
Far-End-Fault has been detected (see 8.11 Far End Fault
Indication, page 24).
1:3
1:2
1:1
1:0
Auto Negotiation 1: Link has not experienced fail state
0: Link experienced fail state
RO
RO
RO
RO
1
0
0
1
Link Status
1: Valid link established
0: No valid link established
1: Jabber condition detected
0: No jabber condition detected
Jabber Detect
Extended Capability 1: Extended register capability
0: Basic register capability only
Single-Chip/Port 10/100 Fast Ethernet PHYceiver
With Auto MDIX
11
Rev. 1.2
ETC [ ETC ]
