Intel 82540EP Test Interface Signals, Power Supply Connections, Digital Supplies, Analog Supplies

Page 21

Networking Silicon — 82540EP

3.6Test Interface Signals

Symbol

Type

Name and Function

 

 

 

JTAG_TCK

I

JTAG Clock.

 

 

 

JTAG_TDI

I

JTAG TDI.

 

 

 

JTAG_TDO

O

JTAG TDO.

 

 

 

JTAG_TMS

I

JTAG TMS.

 

 

 

JTAG_

I

JTAG Reset. This is an active low reset signal for JTAG. This signal should be

TRST#

terminated using a pull-down resistor to ground. It must not be left unconnected.

 

 

 

 

TEST

I

Factory Test Pin.

 

 

 

CLKVIEW

O

Clock View. Output for GTX_CLK and RX_CLK during IEEE PHY conformance testing.

The clock is selected by register programming.

 

 

 

 

 

3.7Power Supply Connections

3.7.1Digital Supplies

Symbol

Type

 

Name and Function

 

 

 

 

VDDO

P

3.3

V I/O Power Supply.

 

 

 

 

DVDD

P

1.5

V Digital Core Power Supply.

 

 

 

 

3.7.2Analog Supplies

Symbol

Type

Name and Function

 

 

 

AVDDH

P

3.3 V Analog Power Supply.

 

 

 

AVDDL

P

2.5 V Analog Power Supply.

 

 

 

Datasheet

15

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Contents Revision April 82540EP Gigabit Ethernet ControllerDatasheet Date Revision 82540EP Networking Silicon Contents 82540EP Networking Silicon Introduction TX MAC MdioRX MAC Acpi LEDDocument Scope Reference DocumentsProduct Code 82540EP Networking Silicon MAC Specific Features PCI FeaturesFeatures Benefits Application flexibility for LAN on MotherboardHostOffloading PHY Specific FeaturesA server management processor Manageability FeaturesTechnology Features Additional Device FeaturesPCI Address, Data and Control Signals Signal Type DefinitionsSymbol Type Name and Function PCI Bus InterfaceFRAME# STS PARIRDY# STS TRDY# STSInterrupt Signal Arbitration SignalsSystem Signals Error Reporting SignalsPower Management Signals Eeprom and Serial Flash Interface SignalsImpedance Compensation Signals SMB SignalsMiscellaneous Signals LED SignalsOther Signals Analog XTAL1XTAL2 Power Supply Connections Test Interface SignalsDigital Supplies Analog SuppliesGround and No Connects Control SignalsGND CTRL15Recommended Operating Conditions Absolute Maximum RatingsAbsolute Maximum Ratingsa Recommended Operating Conditions a Sheet 1DC Characteristics DC SpecificationsPower Specifications D0a Recommended Operating Conditions a Sheet 2Power Specifications D3cold Power Specifications Dr UninitializedPower Specifications Complete Subsystem O Characteristics Symbol Parameter Condition Min Typ Max= V SS AC Characteristics Symbol Parameter a PCI 66 MHz PCI 33 MHz Units Min Max Timing Specifications PCI Bus InterfacePCI Bus Interface Clock Parameters TcycPCI Bus Interface Timing Parameters Symbol Parameter PCI 66MHz PCI 33 MHz Units Min MaxPCI Bus Interface Timing Measurement Conditions Symbol Parameter PCI 66 MHz UnitVTH VTLPin Inch max Point 1kΩ 10 pFInch max Point 50 pF Link Interface Timing Eeprom InterfaceRise and Fall Times 82540EP Product Name Device IdentificationYyww Date CodePackage Information DatasheetThermal Characteristics Thermal SpecificationsSymbol Parameter Value at specified airflow m/s Units Thermal resistance, junction-to-ambientPinout Information Impedance Compensation Signals Power Management SignalsSMB Signals Eeprom and Serial Flash Interface SignalsTest Interface Signals PHY SignalsDigital Power Signals Analog Power SignalsSignal Names in Pin Order Sheet 1 Grounds and No Connect SignalsSignal Name Pin Lanpwrgood SmbclkRST# SMBALRT# Signal Names in Pin Order Sheet 2M66EN REQ# CBE3# CLKRUN# Smbdata GNDSignal Names in Pin Order Sheet 3 IRDY# FRAME# CBE2# GNDCLK VIO TRDY# Zpcomp Signal Names in Pin Order Sheet 4 STOP# INTA# DEVSEL# ZncompPAR PERR# GNT# Signal Names in Pin Order Sheet 5 CBE1#CBE0# PCIAD5 GND PCIAD1 Clkview FLCE# Eesk PCIAD9 PCIAD7 PCIAD4 Signal Names in Pin Order Sheet 6PCIAD8 PCIAD6 PCIAD3 PCIAD2 Eecs GND Flso Eedi Vddo P12C D E F G H J K L M N P Visual Pin Reference
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