AM79C973BKD\W AMD (ADVANCED MICRO DEVICES), AM79C973BKD\W Datasheet - Page 275
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AM79C973BKD\W
Manufacturer Part Number
AM79C973BKD\W
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.AM79C973BKDW.pdf
(304 pages)
Specifications of AM79C973BKD\W
Lead Free Status / RoHS Status
Compliant
- Current page: 275 of 304
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Status Register (Register 1)
The MII Management Status Register identifies the
physical and auto-negotiation capabilities of the PHY.
Note:
1. RO = Read Only, LH = Latching High, LL = Latching Low.
Bits
10-7
15
14
13
12
11
6
5
4
3
2
1
0
100BASE-T4
100BASE-X Full Duplex
100BASE-X Half Duplex
10 Mbps Full Duplex
10 Mbps Half Duplex
Reserved
MF Preamble Suppression
Auto-Negotiation Complete
Remote Fault
Auto-Negotiation Ability
Link Status
Jabber Detect
Extended Capability
Name
Table 72. MII Management Status Register (Register 1)
1 = PHY able to perform 100BASE-T4
0 = PHY not able to perform 100BASE-T4
1 = PHY able to perform full-duplex 100BASE-X
0 = PHY not able to perform full-duplex 100BASE-X
1 = PHY able to perform half-duplex 100BASE-X
0 = PHY not able to perform half-duplex 100BASE-X
1 = PHY able to operate at 10 Mbps full-duplex mode
0 = PHY not able to operate at 10 Mbps full-duplex mode
1 = PHY able to operate at 10 Mbps full-duplex mode
0 = PHY not able to operate at 10 Mbps full-duplex mode
Ignore when read
1 = PHY will accept management frames with preamble
suppressed
0 = PHY not able to accept management frames with
preamble suppressed
1 = Auto-Negotiation process completed
0 = Auto-Negotiation process not completed
1 = remote fault condition detected
0 = no remote fault condition detected
1 = PHY is able to perform Auto-Negotiation
0 = PHY is not able to perform Auto-Negotiation
1 = link is up
0 = link is down
1 = jabber condition detected,
0 = no jabber condition detected
1 = extended register capabilities,
0 = basic register set capabilities only
P R E L I M I N A R Y
Am79C973/Am79C975
Description
This register is read only; a write will have no effect.
See Table C-72.
Read/Write
(Note 1)
RO, LH
RO, LL
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
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