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AM79C901AVCT датащи(PDF) 45 Page - Advanced Micro Devices

номер детали AM79C901AVCT
подробное описание детали  HomePHY Single-Chip 1/10 Mbps Home Networking PHY
PDF  90 Pages
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производитель  AMD [Advanced Micro Devices]
домашняя страница  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C901AVCT датащи(HTML) 45 Page - Advanced Micro Devices

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Am79C901A
45
PR ELI M IN AR Y
HPR1: HomePNA PHY Status Register (Register 1)
Table 18.
HPR1: HomePNA PHY Status Register (Register 1)
Bits
Name
Description
Read/Write
Default
Value
(hex)
15
100BASE-T4
0 = PHY not able to perform 100BASE-T4
R0
14
100BASE-X Full-Duplex
0 = PHY not able to perform Full-Duplex
100BASE-X
R0
13
100BASE-X Half-Duplex
0 = PHY not able to perform Half-Duplex
100BASE-X
R0
12
10 Mbps Full-Duplex
0 = PHY not able to perform 10 Mbps in Full-Duplex
R0
11
10 Mbps Half-Duplex
1 = PHY able to perform 10 Mbps in Half-Duplex
R1
10:7
Reserved
Reads will produce undefined results
RX
6
Management Frame Preamble
Suppression
1 = PHY will accept management frames with
Preamble suppressed
0 = PHY will not accept management frames with
Preamble suppressed
R1
5
Auto-Negotiation Complete
1 = Auto-Negotiation completed
0 = Auto-Negotiation not completed
R0
4
Remote Fault
1 = Remote fault detected
0 = Normal operation
R0
3
Auto-Negotiation Ability
1 = PHY is able to perform Auto-Negotiation
0 = PHY is not able to perform Auto-Negotiation
R0
2
Link Status
1 = Link is up
0 = Link is down
This bit will be RESET (latched low and re-enabled
on Read).
R0
1
Jabber Detect
1 = Jabber condition detected
0 = Normal operation
R0
0
Extended Capability
1 = Extended Register capability
0 = Basic Register Set capability
R1



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