Intel 249323-003 manual Inter Frame Status LEDs, LED Pulse Stretch Settings Register

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LXD9785 PQFP Demo Board with FPGA for SS-SMII (Fiber)-to-MII Conversion

Table 9. LED Pulse Stretch Settings (Register 20)

Bit

Name

 

 

Description

Type

Default

 

 

 

 

 

 

 

 

00

= Stretch LED events to 30 ms.

 

 

20.3:2

LEDFREQ

01

= Stretch LED events to 60 ms.

R/W

00

10

= Stretch LED events to 100 ms.

 

 

 

 

 

 

11 = Reserved.

 

 

 

 

 

 

 

 

20.1

PULSE-

0

= Disable pulse stretching of all LEDs.

R/W

1

STRETCH

1

= Enable pulse stretching of all LEDs.

 

 

 

 

 

 

 

 

 

 

5.2Inter Frame Status LEDs

By using the conversion FPGAs, the Inter Frame Status information for Speed status, Duplex status, and Link status are output to an LED circuit. The LEDs (D101 - D154) provide a continuous, real-time status for all eight ports. This feature is provided to assist the customer in evaluation of the Inter Frame Status operation.

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Development Kit Manual

Document #: 249323 Revision #: 003 Rev. Date: January 24, 2002

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Contents Development Kit Manual JanuaryDocument # Revision # Rev. Date January 24 Contents Tables Revision History Date Revision DescriptionPage Features General DescriptionLXD9785 Pqfp MII Demo Board Overview Fiber Register ConfigurationIntroduction Equipment RequirementsTypical Setup Typical Test SetupLXD9785/9785E SS-SMII Fiber Demo Board Quick-Start Checklist Quick-Start Jumper SettingsJumper / Label Setting Configuration Switch S5 Quick-Start Switch SettingsSwitch / Label Setting Configuration Switch S1 Switch S8MII Address Configurations Optional ConfigurationsGlobal Operating Configurations Global Configuration Settings Switch S5Jumper Setting Description Alternate Mdio Routing ConfigurationPHY Address Configuration Settings Switch S1 Mdio Routing PortJtag Test Signal Descriptions Jtag Test SignalsExtended Temperature Operation with the LXT9785HE Jumper Pin# Symbol DescriptionDirect Drive LEDs Direct Drive LED Configuration Settings RegisterLEDs LED Bits Program DescriptionLED Pulse Stretch Settings Register Bit Name Description Type DefaultInter Frame Status LEDs Board Schematics LXD9785 Pqfp MII Demo Board Power Fiber Board Revision A2Mode Pqfp MII MII Ports 4 MIIPorts6and LXD9785 Pqfp Fpga for SS-SMII Fiber-to Fiber Ports 4 Fiber Ports 6 Board SS-SMII to MII Altera Clock Distribution Fpga Pqfp Demo Board with Fpga for SS-SMII MDIO0 and MDC0 Fix MDIO1 Bill of Materials LXD9785 Bill of Materials Fiber SS-SMIIReference Designator Description Manufacturer Part Number Ferrite Bead FAIR-RITE Panasonic ERJ-6ENF82R5V IC Logic Fairchild

249323-003, Demo Board with FPGA for SS-SMII (Fiber)-to-MII Conversion specifications

The Intel 249323-003 demo board is an advanced platform designed for SS-SMII (Synchronous Serial - Synchronous Media Independent Interface) to MII (Media Independent Interface) conversion, utilizing FPGA technology. This demo board serves as a pivotal tool for developers and engineers in the field, facilitating the evaluation and testing of high-speed networking applications, particularly those involving fiber-optic communication.

At its core, the Intel 249323-003 is equipped with a robust FPGA that is capable of handling complex data processing tasks with high efficiency. The FPGA architecture allows for flexible configuration, enabling users to customize the interface as per their specific application requirements. This adaptability is crucial in developing solutions for various networking protocols, ensuring seamless integration across different mediums.

One of the standout features of the demo board is its support for fiber-optic connections, which are essential for high-speed data transmission over long distances. The board includes interfaces that allow for the connection of fiber transceivers, thereby facilitating faster communication speeds and improved bandwidth efficiency. This capability is particularly beneficial for applications in data centers, telecommunications, and other high-bandwidth scenarios.

Additionally, the Intel 249323-003 demo board showcases low latency performance, a critical characteristic for real-time applications. This feature is achieved through sophisticated design and optimization techniques that ensure quick data processing. The board also supports various data rates, making it versatile enough for different use cases.

Another important aspect is the board’s power consumption efficiency. By implementing advanced power management techniques, the Intel 249323-003 minimizes energy usage while maximizing performance, making it a cost-effective solution for developers looking to create sustainable applications.

In terms of connectivity, the demo board offers multiple I/O options, facilitating interaction with other devices and systems. This eases the development process, allowing engineers to prototype and test their designs rapidly.

In conclusion, the Intel 249323-003 demo board is a sophisticated and versatile platform for SS-SMII to MII conversion. With its powerful FPGA, support for fiber-optic interfaces, low latency, and efficient power management, it stands out as a vital resource for developers working on high-speed networking solutions. Whether for prototyping or extensive testing, this demo board equips engineers with the tools necessary to innovate and elevate their networking projects to new heights.