GD82551IT Intel, GD82551IT Datasheet - Page 71
GD82551IT
Manufacturer Part Number
GD82551IT
Description
Manufacturer
Intel
Datasheet
1.GD82551IT.pdf
(102 pages)
Specifications of GD82551IT
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
196
Lead Free Status / RoHS Status
Not Compliant
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9.3
9.3.1
9.3.2
Datasheet
Table 31. PHY Unit Status and Control
Table 32. Register 17: PHY Unit Special Control
MDI Register 16:31
Register 16: PHY Unit Status and Control Register
Register 17: PHY Unit Special Control Register
15:14
13
12
11
10
9
8
7:2
1
0
15
14
13
Bit(s)
Bit(s)
Reserved
Carrier Sense
Disconnect
Control
Transmit Flow
Control Disable
Receive De-
Serializer In-Sync
Indication
100BASE-TX
Power-Down
10BASE-T
Power-Down
Polarity
Reserved
Speed
Duplex Mode
Scrambler By-
pass
By-pass 4B/5B
Force Transmit H-
Pattern
Name
Name
These bits are reserved and should be set to 0b
This bit enables the disconnect function.
1 = Disconnect function enabled
0 = Disconnect function disabled
This bit enables Transmit Flow Control
1 = Transmit Flow Control enabled
0 = Transmit Flow Control disabled
This bit indicates receipt status of the 100BASE-TX
receive de-serializer in-sync.
This bit indicates the power state of 100BASE-TX
PHY unit.
1 = Power-Down
0 = Normal operation
This bit indicates the power state of 100BASE-TX
PHY unit.
1 = Power-Down
0 = Normal operation
This bit indicates 10BASE-T polarity.
1 = Reverse polarity
0 = Normal polarity
These bits are reserved and should be set to 0b.
This bit indicates the Auto-Negotiation result.
1 = 100 Mbps
0 = 10 Mbps
1 = Full Duplex
0 = Half Duplex
1 = By-pass Scrambler
0 = Normal operations
0 = Normal operation
1 = Force transmit H-pattern
0 = Normal operation
This bit indicates the Auto-Negotiation result.
1 = 4 bit to 5 bit by-pass
Description
Description
Networking Silicon — 82551IT
Default
000000
Default
00
--
--
--
--
0
0
1
1
0
0
0
RW
RW
RW
RO
RO
RO
RO
RO
RO
RO
RW
RW
RW
R/W
R/W
65
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