WG82574L S LBA9 Intel, WG82574L S LBA9 Datasheet - Page 395
WG82574L S LBA9
Manufacturer Part Number
WG82574L S LBA9
Description
CONTROLLER, ENET, INTEL 82574L, 64PQFN
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAC.pdf
(490 pages)
Specifications of WG82574L S LBA9
Ethernet Type
IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Supply Voltage Range
3V To 3.6V
Operating Temperature Range
0°C To +85°C
Digital Ic Case Style
QFN
No. Of Pins
64
Package / Case
QFN
Interface Type
I2C, JTAG, PCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Driver Programing Interface—82574 GbE Controller
10.2.11.12 Extended Status Register (Any Page), PHY Address 01; Register 15
10.2.11.13 Copper Specific Control Register 1 (Page 0), PHY Address 01; Register
16
15
14
13
12
11:0
15
14:12
11
10
9:8
7
Bits
Bits
1000BASE-X
Full-Duplex
1000BASE-X
Half-Duplex
1000BASE-T
Full-Duplex
1000BASE-T
Half-Duplex
Reserved
Disable
Link Pulses
Downshift
Counter
Downshift
Enable
Force
Copper Link
Good
Energy
Detect
Enable
Extended
Distance
Field
Field
R/W
R/W
R/W
R/W
R/W
R/W
RO
RO
RO
RO
RO
Mode
Mode
0x0
0x3
0x0
0x0
See
Description
0x0
Always 0b
Always 0b
Always 1b
Always 1b
0x000
HW Rst
HW Rst
Always 0b
Always 0b
Always 1b
Always 1b
0x000
0x0
Update
Update
Retain
Update
Retain
SW Rst
SW Rst
0b = Not 1000BASE-X full-duplex capable.
0b = Not 1000BASE-X half-duplex capable.
1b =1000BASE-T full-duplex capable.
1b =1000BASE-T half-duplex capable.
Reserved, set to 0x000.
1b = Disable link pulse.
0b = Enable link pulse.
Changes to these bits are disruptive to the normal
operation; therefore, any changes to these registers
must be followed by software reset to take effect.
1x, 2x,...8x is the number of times the PHY attempts
to establish GbE link before the PHY downshifts to
the next highest speed.
000b = 1x.
100b = 5x.
001b = 2x.
101b = 6x.
010b = 3x.
110b = 7x.
011b = 4x.
111b = 8x.
Changes to these bits are disruptive to the normal
operation; therefore, any changes to these registers
must be followed by software reset to take effect.
1b = Enable downshift.
0 = Disable downshift.
If link is forced to be good, the link state machine is
bypassed and the link is always up. In 1000BASE-T
mode this has no effect.
1b = Force link good.
0b = Normal operation.
After a hardware reset, both bits take on the value of
pd_config_edet_a.
0xb = Off.
10b = Sense only on Receive (energy detect).
11b = Sense and periodically transmit NLP (energy
detect+TM).
When using a cable exceeding 100 meters, the
10BASE-T receive threshold must be lowered in
order to detect incoming signals.
1b = Lower 10BASE-T receive threshold.
0b = Normal 10BASE-T receive threshold.
Description
Description
395
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