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LAN9220 Datasheet(PDF) 107 Page - Microchip Technology

Part # LAN9220
Description  16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
PDF  142 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9220 Datasheet(HTML) 107 Page - Microchip Technology

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 2006-2017 Microchip Technology Inc.
DS00002417A-page 107
LAN9220
5.5.4
PHY IDENTIFIER 2
5.5.5
AUTO-NEGOTIATION ADVERTISEMENT
Note 5-2
When both symmetric PAUSE and asymmetric PAUSE support are advertised (value of 11), the
device will only be configured to, at most, one of the two settings upon auto-negotiation completion.
Index (In Decimal):
3
Size:
16-bits
Bits
Description
Type
Default
15-10
PHY ID Number Assigned to the 19th through 24th bits of the OUI.
RO
0xC0C3h
9 - 4
Model Number. Six-bit manufacturer’s model number.
RO
3 - 0
Revision Number. Four-bit manufacturer’s revision number.
RO
Index (In Decimal):
4
Size:
16-bits
Bits
Description
Type
Default
15:14
Reserved
RO
00
13
Remote Fault. 1 = remote fault detected, 0 = no remote fault
R/W
0
12
Reserved
R/W
0
11:10
Pause Operation. (See Note 5-2)
00 No PAUSE
01 Symmetric PAUSE
10 Asymmetric PAUSE
11 Advertise support for both Symmetric PAUSE and Asymmetric PAUSE
R/W
00
9
Reserved
RO
0
8
100Base-TX Full Duplex. 1 = TX with full duplex, 0 = no TX full duplex
ability
R/W
1
7
100Base-TX. 1 = TX able, 0 = no TX ability
R/W
1
6
10Base-T Full Duplex.
1 = 10Mbps with full duplex
0 = no 10Mbps with full duplex ability
R/W
1
5
10Base-T. 1 = 10Mbps able, 0 = no 10Mbps ability
R/W
1
4:0
Selector Field. [00001] = IEEE 802.3
R/W
00001



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