LAN8720i SMSC [SMSC Corporation], LAN8720i Datasheet - Page 36
![no-image](/images/no-image-200.jpg)
LAN8720i
Manufacturer Part Number
LAN8720i
Description
Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.LAN8720I.pdf
(79 pages)
- Current page: 36 of 79
- Download datasheet (2Mb)
Chapter 5 SMI Register Mapping
100Base
Reset
PHY ID Number (Bits 19-24 of the Organizationally Unique
15
-T4
15
15
15
Loopback
100Base
14
14
Duplex
14
-TX
Full
14
Identifier - OUI)
13
13
100Base
Speed
Select
Duplex
13
Half
-TX
13
12
12
10Base-
Duplex
Full
Enable
12
T
A/N
12
PHY ID Number (Bits 3-18 of the Organizationally Unique Identifier - OUI)
11
11
10Base-
Duplex
Half
11
T
Table 5.3 PHY ID 1 Register: Register 2 (Extended)
10
Table 5.4 PHY ID 2 Register: Register 3 (Extended)
10
Power
Down
11
Table 5.1 Control Register: Register 0 (Basic)
Table 5.2 Status Register: Register 1 (Basic)
10
9
9
Isolate
10
9
Reserved
8
8
Restart A/N
Manufacturer Model Number
8
9
7
7
7
Duplex
6
Mode
6
6
8
Complete
A/N
5
5
5
Collision
Test
7
Remote
Fault
4
4
4
6
Ability
A/N
3
3
3
Manufacturer Revision Number
5
Status
Link
4
2
2
2
Reserved
3
Jabber
Detect
1
1
1
2
Capability
Extended
1
0
0
0
0
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