WG82574IT S LBAB Intel, WG82574IT S LBAB Datasheet - Page 78
WG82574IT S LBAB
Manufacturer Part Number
WG82574IT S LBAB
Description
Manufacturer
Intel
Datasheet
1.WG82574IT_S_LBAB.pdf
(472 pages)
Specifications of WG82574IT S LBAB
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Lead Free Status / RoHS Status
Compliant
- Current page: 78 of 472
- Download datasheet (3Mb)
Note:
4.6.4
4.6.5
78
Since both CTRL.SLU and the PHY link indication LINK are forced, this bit set does not
guarantee that operation of the link has been truly established.
Initialization of Statistics
Statistics registers are hardware-initialized to values as detailed in each particular
register's description. The initialization of these registers begins at transition to D0
active power state (when internal registers become accessible, as enabled by setting
the Memory Access Enable field of the PCIe Command register), and is guaranteed to
complete within 1 ms of this transition. Access to statistics registers prior to this
interval might return indeterminate values.
All of the statistical counters are cleared on read and a typical software device driver
reads them (thus making them zero) as a part of the initialization sequence.
Receive Initialization
Program the receive address register(s) per the station address. This can come from
the NVM or from any other means, for example, on some systems, this comes from the
system EEPROM not the NVM on a Network Interface Card (NIC).
Set up the Multicast Table Array (MTA) per software. This generally means zeroing all
entries initially and adding in entries as requested.
Program the interrupt mask register to pass any interrupt that the software device
driver cares about. Suggested bits include RXT, RXO, RXDMT and LSC. There is no
reason to enable the transmit interrupts.
Program RCTL with appropriate values. If initializing it at this stage, it is best to leave
the receive logic disabled (EN = 0b) until the receive descriptor ring has been
initialized. If VLANs are not used, software should clear the VFE bit. Then there is no
need to initialize the VFTA array. Select the receive descriptor type. Note that if using
the header split RX descriptors, tail and head registers should be incremented by two
per descriptor.
• MAC/PHY duplex and speed settings both forced by software (fully-forced
link setup). (CTRL.FRCDPLX = 1b, CTRL.FRCSPD = 1b, CTRL.SLU = 1b)
— CTRL.FD - Set by software to desired full-/half- duplex operation (must match
— CTRL.SLU - Must be set to 1b by software to enable communications between
— CTRL.RFCE - Must be set by software to the desired flow-control operation
— CTRL.TFCE - Must be set by software to the desired flow-control operation
— CTRL.SPEED - Set by software to desired link speed (must match speed setting
— STATUS.FD - Reflects the MAC duplex setting written by software to CTRL.FD.
— STATUS.LU - Reflects 1b (positive link indication LINK from PHY qualified with
— STATUS.SPEED - Reflects MAC forced speed setting written in CTRL.SPEED.
duplex setting of the PHY).
the MAC and PHY. The PHY must also be forced/configured to indicate positive
link indication (LINK) to the MAC.
(must match flow-control settings of the PHY).
(must match flow-control settings of the PHY).
of the PHY).
CTRL.SLU).
82574 GbE Controller—Initialization
Related parts for WG82574IT S LBAB
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
CONTROLLER, ENET, INTEL 82574IT, 64PQFN
Manufacturer:
Intel
Datasheet:
Part Number:
Description:
Microprocessor: Intel Celeron M Processor 320 and Ultra Low Voltage Intel Celeron M Processor at 600MHz
Manufacturer:
Intel Corporation
Part Number:
Description:
Intel 82550 Fast Ethernet Multifunction PCI/CardBus Controller
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 32 Mbit. Access speed 120 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 32 Mbit. Access speed 120 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 64 Mbit. Access speed 150 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel StrataFlash memory 32 Mbit. Access speed 100 ns
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
DA28F640J5A-1505 Volt Intel StrataFlash Memory
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
5 Volt Intel StrataFlash?? Memory
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
5 Volt Intel StrataFlash?? Memory
Manufacturer:
Intel Corporation
Part Number:
Description:
Intel 6300ESB I/O Controller Hub
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel 82801DB I/O Controller Hub (ICH4), Pb-Free SLI
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel 82801FB I/O Controller Hub (ICH6)
Manufacturer:
Intel Corporation
Datasheet:
Part Number:
Description:
Intel Strataflash Memory28F128J3 28F640J3 28F320J3
Manufacturer:
Intel Corporation
Datasheet: